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Best Choice CHANCS 
CHANCS 16mm Single Groove Pulley 6mm Fixed Bore Pulley for Drilling Machine 4MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentBest Value CHANCS CHANCS Outer Diameter 30mm Single Groove Pulley 7mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concent
V Grooved Pulley PU Round Belt Pulleys Aluminum For 10mm Width Belt OD 40-100mm Grooved width: 12.5mm(for 10mm width round belt)(Belt not included). OD: 40mm/60mm/80mm/100mm. Material: Aluminum Alloy.ViaGasaFamido 
ViaGasaFamido PU Transmission Round Belt Belting Green Rough PU Polyurethane Round Belt for Conveyor Bonding Machine Dry PU round belt, mainly PU particles as raw material which is produced after purification processing precision machinery s
V Grooved Pulley PU Round Belt Pulleys Aluminum For 10mm Width Belt OD 40-100mm Type：V Grooved Pulley. -Grooved width: 12.5mm(for 10mm width belt). -OD: 40mm 60mm 80mm 100mm. -Material: aluminium alloCHANCS 
CHANCS Outer Diameter 3.1 in (80 mm) Single Groove Pulley 0.5 in (12 mm) Fixed Bore Pulley for Drilling Machines 6 MMPU Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentHARFINGTON 
HARFINGTON Polyurethane Round Belts 2mm Dia 16.4ft(5 Meters) Length Rough Surface PU Urethane Belt for Drive Transmissio Size - Diameter: 2mm; Perimeter: 16.4ft(5 Meters); Green Rough Surface Urethane Round BeltU Grooved Pulley PU Round Belt Pulleys Aluminum For 4/5mm Width Belt OD 20-80mm Timing Pulley. -2GT Timing Pulley. -HTD-3M Timing Pulley. -HTD-5M Timing Pulley. -HTD-8M Timing Pulley. -STS S2M TimingCHANCS CHANCS Aluminum Alloy Single Groove Pulley 20mm OD 8mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentDouble V Grooved Pulley PU Round Belt Pulleys Aluminum Width 7mm OD 30-80mm Type：Double V Grooved Pulley. -Grooved width: 7mm(for 6mm width belt). -OD: 30mm 40mm 60mm 80mm. -Material: aluminium al25% Off HARFINGTON HARFINGTON V-Type Pulley 5mm Bore 31mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Drilli Size - Aperture Diameter: 5mm; Outer Diameter: 31mm; Height: 15mm; The pulley is a single groove, fixed hole with machinMarhynchus Round Belt Pulley, 14mm Aperture Clamp, Fixed Round Belt Pulley, Used For Drive (Diameter of the joint PD 64mm) ROUND BELT DRIVE: This round belt wheel adopts sophisticated production technology, which can be applied to round belt dV Grooved Pulley PU Round Belt Pulleys Aluminum For 6mm Width Belt OD 20mm-100mm Grooved width: 7mm(for 6mm width belt). OD: 20mm/30mm/40mm/60mm/80mm/100mm. Material: Aluminum Alloy. Widely used: motoruxcell uxcell V-Type Pulley 8mm Bore 22mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilling M Size - Aperture Diameter: 5mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinU-Groove Pulley Aluminum 20-80mm OD PU Round Belt Pulleys for 4-8mm Belts Width Gear Belt Bearings Couplings Chain Belt Pulley Nut Motor Bracket Other. ● Material: Aluminium. ● Slot width: 4mm 5mm 6mmDANAIXZ Round Belt Pulley Aluminum Alloy 14mm Aperture Stable Low Noise Clamp Fixed Drive Wheel (Diameter of The Joint PD 96mm) Using sophisticated production technology, this round belt pulley can be applied to round belt transmission and has goodAluminum V Grooved Pulley O Round Belt Pulleys For 6mm Width Belt OD 20mm-80mm Advertising Nail. Aluminium Profile. Titanium Alloy Fasteners. Cup Head Washers. Aluminum Alloy Fasteners. ● Product ApeCHANCS CHANCS Outer Diameter 40mm Single Groove Pulley 12mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentU Grooved Pulley PU Round Belt Pulleys Aluminum Groove Width 3mm OD 15-30mm Type：Double U Grooved Pulley. -Grooved width: 3mm(for3mm width belt). -OD: 15mm 20mm 25mm 30mm. -Material: aluminium allLIYJTK Round Pulley Durable V-Shaped Pulley 8MM Hole Round Belt Transmission Applicable Scene (5401-0004-0008) [MADE OF ALUMINUM ALLOY] The screw fixed round pulley is strong and durable, ensuring effective machine protection.U Grooved Pulley PU Round Belt Pulleys Aluminum For 4/5/6/8mm Width OD 20-80mm Type：U Grooved Pulley. -Grooved width: 4mm/5mm/6mm/8mm. -OD: 20mm 30mm 40mm 50mm 60mm 80mm. -Material: aluminium alloy.CHANCS CHANCS Outer Diameter 100mm Single Groove Pulley 20mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentAluminum U Groove Pulley Round/O Type Belt Drive Pulleys For 4mm Belt OD 20-80mm Groove width: 4mm (for 4mm wide strap). Type: 4mm U/O groove drive wheel. -Wide range of applications: motors, miniatureCHANCS CHANCS V-Type Pulley 80mm OD 17mm Fixed Bore Double Groove Pulley for Motor Drive Wheel 6mm(1/4") PU Round Belt *Pulley wheel is made of high quality aluminium material, which is not easy to rust, durable and has a long service lifeU Grooved Pulley PU Round Belt Pulleys Aluminum For 6/8mm Width Belt OD 20-80mm Timing Pulley. -2GT Timing Pulley. -HTD-3M Timing Pulley. -HTD-5M Timing Pulley. -HTD-8M Timing Pulley. -STS S2M TimingANKROYU ANKROYU Round Belt Pulley, Aluminum Alloy Drive Wheel 14 mm Aperture, Low Noise Fixed Clamp Pulley for Mechanical Transm Transmission Design: This aluminium pulley integrates with round belts for effective friction drive; Transfers power smoAluminum V Belt Pulley Drive Pulleys Grooved 7mm For 6mm Round / K-Type Belts Type: Single/Double Groove V Pulley. Pulley Specifications. -Material: Aluminum alloy. Matching belt. -Wide applicationsuxcell uxcell Polyurethane Round Belts 3.5mm Dia 3.3ft(1 Meter) Length Rough Surface PU Urethane Belt for Drive Transmission, G Size - Diameter: 3.5mm; Perimeter: 3.3ft(1 Meter); Green Rough Surface Urethane Round BeltV Grooved Pulley PU Round Belt Pulleys Aluminum For 6mm Width Belt OD 20mm-100mm Type：V Grooved Pulley. -Grooved width: 7mm(for 6mm width belt). -OD: 20mm 30mm 40mm 60mm 80mm 100mm. -Material: aluminiuuxcell uxcell Polyurethane Round Belts 3mm Dia 32.8ft(10 Meters) Length Rough Surface PU Urethane Belt for Drive Transmission, Size - Diameter: 3mm; Perimeter: 32.8ft(10 Meters); Green Rough Surface Urethane Round Belt2PCS Single 12MM Fixed Bore Pulley for Motor Shaft 3-5MM PU Round Belt Suitable for 3-5MM PU round belt. Commonly used for DIY small drilling machine, milling machine, small unpowered spindleRespicefinem Respicefinem Five Pack Screw Fixed Round Pulley and Strong V Shaped Pulley for Round Belt Transmission Ideal for Low Spe Round Belt Transmission: The screw fixed round pulley generates round belt transmission by tightening the belt's frictioV Grooved Pulley PU Round Belt Pulleys Aluminum OD 20-100mm Hole7-25mm For Motor V Round Slot Pulley Single/Double Slot. Material: Aluminum Alloy. - Cross-Application: Motor, Microspindle, Model Gear DHARFINGTON HARFINGTON PU Transmission Belt Polyurethane Round Belts 7mm Dia 3.3ft(1 Meter) Length Smooth Surface Urethane Belt for Size - Diameter: 7mm/0.28"; Perimeter: 3.3ft(1 Meter); Black Smooth Surface Urethane Round BeltLrocaoai 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.Tuwei PU Drive Belt, Polyurethane Round Belt, 2mm to 15mm, Heavy Duty Rough for Drive Transmission Packaging Machine (#1) Used for drive transmission in packaging machine, printing machine, machine, drive motor, porcelain brick etcPeakloong Peakloong 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.FUWIND FUWIND 84Pcs Transmission Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt Lokkr Lokkr 6PCS Aluminum 20 Teeth GT2 Timing Belt Pulley 8mm Bore 6mm Width, Synchronous Wheel for 3D Printer Parts Width 6mm ➤High Quality Material: Made of high-quality Aluminum Alloy, Surface oxidation treatment, durable, fine workmanship andCHANCS CHANCS Outer Diameter 60mm Single Groove Pulley 19mm Fixed Bore Pulley for Drilling Machine 6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentDomary Domary Round Pulley Screw Fixed VShaped Pulley with 16mm Diameter Hole Smooth Movement Low Noise for SmallPower Transmis [Versatile Applications] Ideal for low-speed and small-power transmissions, this pulley effectively generates friction fuxcell uxcell V-Type Pulley 14mm Bore 58mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Drilling Size - Aperture Diameter: 14mm; Outer Diameter: 58mm; Height: 16mm; The pulley is a single groove, fixed hole with machiuxcell uxcell V-Type Pulley 3mm Bore 12mm Outer Dia Single Groove Aluminum Alloy for 3MM PU Round Belt Motor Shaft Drilling Mac Size - Aperture Diameter: 3mm; Outer Diameter: 12mm; Height: 9.5mm; The pulley is a single groove, fixed hole with machiuxcell uxcell V-Type Pulley 6mm Bore 12mm Outer Dia Single Groove Aluminum Alloy for 3MM PU Round Belt Motor Shaft Drilling Mac Size - Aperture Diameter: 6mm; Outer Diameter: 12mm; Height: 9.5mm; The pulley is a single groove, fixed hole with machiWUYONGSI 1pc Arc HTD 8M 50 Teeth Timing Synchronous Pulley Round Bore 19-28mm for Belt Width 25/30mm HTD8M 50-8M AF 50T 50Teeth(1 1pc Arc HTD 8M 50 Teeth Timing Synchronous Pulley Round Bore 19-28mm For Belt Width 25/30mm HTD8M 50-8M AF 50T 50TeethDomary Domary Round Pulley Durable VShaped Screw Fixed Pulley with 16mm Diameter Hole for Round Belt Transmission (5401-0006-00 [Shock Relief] Relieves shock and vibration during operation, protecting the machine and motor from damage.LIXIAOTONG 58x8mm V Type Fixed Bore Step Pulley for Motor Shaft 3-5MM Round Belts(8mm) Suitable for synchronous belt, 3-5mm round belt.Ｓｉｍｈｏａ Ｓｉｍｈｏａ 28 Pieces Pulley Rubber Band Transmission Belt Round Belting Combination Set Pulley Belts for RC Toy DIY Toy Airp 【Material】Transmission belt made ofhigh quality rubber,which is durable for long term use.EMSea EMSea 4Pcs GT2 Smooth Idler Pulley 20 Teeth 5mm Bore 10mm Width Synchronous Belt Wheels with Double Bearings for 3D Prin GT2 toothless idler pulley, 20 teeth, 5mm bore, 10mm wide.uxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore, 16mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 16mm / 0.63"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 4mm Fixed Bore, 16mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 4mm / 0.16"; Outer Diameter: 16mm / 0.63"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 8mm Fixed Bore, 16mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 8mm / 0.31"; Outer Diameter: 16mm / 0.63"; And applicableGreendhat Belt Pulley Round Groove Nylon Pulley Wheels Roller High Carbon Steel U Groove Pulley Ball Bearing Slide Flexible Durabl uxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore, 16mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 16mm / 0.63"; And applicableuxcell uxcell 2 Set V-Type Pulley 6mm Bore 22mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Dril Size - Aperture Diameter: 6mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinYoursme AM133924 Double Deck Drive Belt Tightener Pulley for John Deere LX280 LX288 LX289 GX255 GX325 GX345 GX355 Fitment -- LX280 with 48C and 54C deck, LX288 with 48C and 54C deck, LX289 with 48C deck, GX255 with 48C and 54C deck, GNkmczserg 1pcs Round Belt Pulley, Compatible with TCL. Washing Machine Belt XQB60-36SP / 366SZ Water-Saving Three-Power Jihua Conv 📢Multi-layer composite structure design, with strong wear resistance and tensile strength, suitable for a variety of moHARFINGTON HARFINGTON 2 Set V-Type Pulley 6mm Bore 22mm Outer Dia Single Groove Aluminum Alloy for 3-5MM PU Round Belt Motor Shaft Size - Aperture Diameter: 6mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinKONTONTY KONTONTY Belt Pulley Kit with Rubber Drive Bands and Plastic Pulleys for Stable Transmission and Noise Reduction in Rc V Smooth operation: the plastic pulley set minimizes noise, ensuring smooth and efficient operation of your rc cars and otACDelco ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly Designed to keep drive belt at proper tensionSING F LTD SING F LTD 10pcs GT2 Pulley 2GT Timing Pulley 20 Teeth 5mm Bore 6mm Width Belt Stepper Motor Pulleys Aluminum Timing Bel [Size] Height 16mm, bandwidth 6mm,20 teeth, inner hole 5mm.Ruimou Ruimou 10PCS 2GT Aluminum Timing Belt Idler Pulley, GT2 5mm Hole 6mm Wide, no Teeth, Used for 3D Printer Timing Belt 1.Material:Aluminium alloy.uxcell uxcell 2Pcs Single Groove Pulley, 4mm Fixed Bore, 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 4mm / 0.16"; Outer Diameter: 30mm / 1.18"; And applicableYsyaxsyt Ysyaxsyt 84Pcs ABS Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 1. A of accessories combination, suitable for various customer needs.tunghey tunghey 5Pack GT2 Pulley 20 Teeth 6.35mm bore 6mm Width 20T Timing Belt Pulley Wheel Aluminum for 3D Printer (20teeth 6m 【GT2】: GT2 Synchronous Wheel, with Screw, Can be FixedJxngery ROUND PULLEY V-SHAPED 8MM HOLE SCREW FIXED 5 PACK DURABLE V-BELT TRANSMISSION VIBRATION RELIEF FOR MACHINERY (5401-0004- [HIGH-QUALITY MATERIAL] The screw fixed round pulley, made of durable aluminum alloy, ensures the longevity and protectiHYVAWO HYVAWO Waist Belt Neoprene Padded Gym Pulley Strap with Rings for Cable Machines Fitness Exercise Speed Agility Resistan Durable webbing easily adjusts to accommodate your waist.Fits waist from 25 inches to 41 inches.AcbbMNS AcbbMNS 5Pcs GT2 Timing Belt Idler Pulley 20 Teeth 8mm Bore Aluminium Alloy Synchronous Wheels for 6mm Width Belt 3D Pri ►Product Size: 20 teeth, 8mm boreLIXIAOTONG Double Groove Round Belt Pulley Transmission Wheel Model Belt Motor Pulley Outer Diameter 40mm 6/7/8/9/10/11/12/14/15/16 Bore size:6/7/8/9/10/11/12/14/15/16 mmGeneric Generic Training Tension Belt Pulley Inner Wheel Cycling Bike Belt Wheel Repair Dynamic Pulley for Indoor Home Outdoor, 【Occasion】: The Excercise Bike Belt Transfer Wheel is great for gym, home and other sports roomLIXIAOTONG Double Groove Round Belt Pulley Transmission Wheel Model Belt Motor Pulley Outer Diameter 40mm 6/7/8/9/10/11/12/14/15/16 Bore size:6/7/8/9/10/11/12/14/15/16 mmCHANCS CHANCS Aluminum Alloy Double Groove Pulley 30mm OD 14mm Fixed Bore Pulley for Motor Shaft Drilling Machine 6mm(1/4") PU *Pulley wheel is made of high quality aluminium material, which is not easy to rust, durable and has a long service lifeBQLZR BQLZR 41x16x6MM Silver Aluminum Alloy Single Groove 6MM Fixed Bore Pulley for Motor Shaft 3-5MM PU Round Belts Made of aluminium, groove step pulley, long time and durable use.LIXIAOTONG Aluminum Alloy Misumi Round Belt Pulley Spindle Motor Drive Belt Wheel Diameter 100mm(5mm) Bore size:5/6/6.35/8/10/11/12/15/14mmLIXIAOTONG Aluminum Alloy Round Belt Pulley Fixed with DIY Spindle Motor Drive Precision Beautiful Silk Top(5mm) Pulley for round beltBQLZR BQLZR 31x15x6MM Silver Aluminum Alloy Single Groove 6MM Fixed Bore Pulley for Motor Shaft 3-5MM PU Round Belt Made of aluminium, groove step pulley, long time and durable use.CHANCS CHANCS Aluminum Alloy Double Groove Pulley 60mm OD 18mm Fixed Bore Pulley for Motor Shaft Drilling Machine 6mm(1/4") PU *Pulley wheel is made of high quality aluminium material, which is not easy to rust, durable and has a long service lifeuxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 20mm / 0.79"; And applicableBjworeye Bjworeye 2X Pulley 20 Teeth Bore 5mm + 6mm Timing Belt & 2X Idler 4X Tensioner for 3D Printer RepRap , high quality.uxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 20mm / 0.79"; And applicableCHANCS CHANCS Aluminum Alloy Double Groove Pulley 80mm OD 18mm Fixed Bore Pulley for Motor Shaft Drilling Machine 6mm(1/4") PU *Pulley wheel is made of high quality aluminium material, which is not easy to rust, durable and has a long service lifeByttlerom Byttlerom 2X Pulley 20 Teeth Bore 5mm + 6mm Timing Belt & 2X Idler 4X Tensioner for 3D Printer RepRap The pulley is used with the belt and is very convenient to use.uxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 20mm / 0.79"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 10mm Fixed Bore 20mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 20mm / 0.79"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 30mm / 1.18"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 14mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 14mm / 0.55"; Outer Diameter: 30mm / 1.18"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 8mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 8mm / 0.31"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 10mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 30mm / 1.18"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell Single Groove Pulley 10mm Fixed Bore 80mm Outer Diameter Aluminum Alloy with Hex Wrench for Drilling Machine 6mm Size - Aperture Diameter: 10mm; Outer Diameter: 80mm; Overall Thickness: 18.5mm; Groove Width: 7mm; Groove Depth: 4.4mm;uxcell uxcell 1Pcs Single Groove Pulley, 10mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 17mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 17mm / 0.67"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 30mm / 1.18"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 18mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 18mm / 0.71"; Outer Diameter: 40mm / 1.57"; And applicablBjworeye Bjworeye 5Mx6Mm Timing Belt +4Pcs 20 Tooth 5Mm Inner Diameter Pulley +4Pcs Idler + 4Pcs Tensioner Spring Torsion +2Pcs G Timing belt: The timing belt is made of premium rubber, and flexible. It's designed specifically for linear motion, highuxcell uxcell 2Pcs Single Groove Pulley, 17mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 17mm / 0.67"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 20mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 14mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 14mm / 0.55"; Outer Diameter: 40mm / 1.57"; And applicablGreendhat Belt Pulley GT2 20tooth Pulley, Double Round-Headed Synchronous Wheel Gear 20 Teeth for Belt 3D Printer Parts, 2GT Screw uxcell uxcell 2Pcs Single Groove Pulley, 16mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 16mm / 0.63"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 17mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 17mm / 0.67"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 11mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 18mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 18mm / 0.71"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 11mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 6mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 40mm / 1.57"; And applicableGreendhat Belt Pulley GT2 20tooth Pulley, Double Round-Headed Synchronous Wheel Gear 20 Teeth for Belt 3D Printer Parts, 2GT Screw uxcell uxcell 2Pcs Single Groove Pulley, 10mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 40mm / 1.57"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 80mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 80mm / 3.15"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 12mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 10mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 10mm / 0.39"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 20mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 8mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 8mm / 0.31"; Outer Diameter: 60mm / 2.36"; And applicable