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Best Choice 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 concentLokkr 
Lokkr 6PCS Aluminum 20 Teeth GT2 Timing Belt Pulley 5mm 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 andLokkr Lokkr 6PCS Aluminum 20 Teeth GT2 Timing Belt Pulley 5mm 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 andBest Value CHANCS 
CHANCS Outer Diameter 100mm Single Groove Pulley 14mm 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 concentuxcell 
uxcell 2Pcs Single Groove Pulley, 16mm Fixed Bore 30mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 16mm / 0.63"; Outer Diameter: 30mm / 1.18"; And applicablBaxnore 
Baxnore 5 PCS Motor Transmission Belt, Round Rubber Belt Pulley, 5mm Diameter Motor Belt, Heavy Duty Motor Drive Compone Flexibility: This round belt is engineered for round belt transmission, relying on the pressure between the belt and wheCHANCS 
CHANCS V-Type Pulley 16mm Outer Dia 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 concentCHANCS 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 concentuxcell uxcell Single Groove Pulley 14mm Fixed Bore 30mm Outer Diameter Aluminum Alloy with Hex Wrench for Drilling Machine 6mm Size - Aperture Diameter: 4mm; Outer Diameter: 40mm; Overall Thickness: 17.5mm; Groove Width: 7mm; Groove Depth: 4.8mm;CHANCS CHANCS Outer Diameter 100mm 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 concentCHANCS CHANCS Outer Diameter 80mm Single Groove Pulley 16mm 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 concentCHANCS 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 concentCHANCS CHANCS Double Groove Aluminum Alloy V-Groove Belt Pulley 30mm OD 8mm Fixed Bore Pulley for Motor Shaft Drilling Machine *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, 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 applicableEMSea 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.LIYJTK Round Belt Pulley Aluminum Alloy Low Noise Clamp Fixed Drive Wheel Stable for Mechanical Pulleys Electric Motor Pulley ( [SOPHISTICATED PRODUCTION TECHNOLOGY] Ensures Good Elasticity and Smooth Movement in Round Belt Transmission, Alleviatinuxcell uxcell 5M 15Teeth Timing Pulley Synchronous Wheel Belt Drive Without Step 20mm Height 5mm Pitch 12.7mm Bore for Belt, 3D The silver color synchronous wheel is made of aluminum alloy with a high finish. Used in conjunction with timing belts,Oshhni Oshhni 28x Transmission Belt Pulley Rubber Band Multifuction Combination Set Engine Drive Belt for DIY Model Toy, Module 28Transmission BeltsIstoFlyt IstoFlyt 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.Lrocaoai 84Pcs ABS Belt Drive Round Belt Pulley Rubber Band Combination Set Stretchable Engine Drive Round Belt 4. Made of high quality material, in use.ATNSINC ATNSINC 21PCS/Set GT2 Timing Belt Pulley Include 8pcs Mix Timing Belt 6 mm Width, 8pcs 20 Teeth 6mm Bore Belt Pulley Whe Package included: 8pcs GT2 close-loop belt in different size:110mm/ 112mm/122mm/158mm/200mm/280mm/300mm/400mm, 8 pcs GT2QitinDasen FULARR 2m Professional GT2 Timing Belt 6mm Width + 2Pcs 20-Teeth 5mm Bore Belt Pulley + 2Pcs Idler + 4Pcs Tensioner Spri ✪ Timing Belt: The timing belt is made of premium rubber, durable and flexible. It's designed specifically for linear moCHANCS CHANCS Outer Diameter 100mm Single Groove Pulley 10mm 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 concentPeakloong 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.CHANCS CHANCS Outer Diameter 80mm Single Groove Pulley 17mm 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 concentLIYJTK Round Pulley Durable V-Shaped Pulley 8MM Hole Round Belt Transmission Applicable Scene (5401-0006-0008) [MADE OF ALUMINUM ALLOY] The screw fixed round pulley is strong and durable, ensuring effective machine protection.CHANCS CHANCS Single Groove Pulley 20mmOD 4mm Fixed Bore Pulley for Drilling Machine6MM PU Round Belt Description:The inner hole of the pulley is accurate in size, formed with one knife, runs smoothly, and has high concentFixFusion Aluminum Alloy 40&50mm Double Groove Pulley 8-20MM Fixed Bore V-shape Pulley Wheel for 10MM Round Belt(20mm) Aluminum Alloy 40&50mm Double Groove Pulley 8-20MM Fixed Bore V-shape Pulley Wheel for 10MM Round BeltAKLOSIPY Orange PU Polyurethane Round Belt 2mm x 10m – Drive Belt for DIY, Crafting, and Industrial Use High Tensile Strength - This PU round belt showcases an impressive tensile strength, ensuring it can withstand high tensFixFusion 1pc Aluminum Alloy Double Groove 50&60MM Pulley Wheel 8-20MM Fixed Bore Pulley for Motor Shaft 10MM Round Belt(15mm) 1pc Aluminum Alloy Double Groove 50&60MM Pulley Wheel 8-20MM Fixed Bore Pulley for Motor Shaft 10MM Round BeltViaGasaFamido PU Polyurethane Round Belt for Conveyor Systems Transmission Belt Bonding Machine Dryer Equipment 5mm Diameter 10m Lengt This Polyurethane round belt is rough surface. Easy to welding, easy installation, long service lifeuxcell uxcell Polyurethane Round Belts 3mm Dia, 3 Meters (10ft) Length PU Polyurethane Belt for Drive Transmission (Smooth Surf Size - Smooth surface Polyurethane round belt with 3mm diameter, and 3 Meters (10ft) length.KuiopJet KuiopJet 2X Pulley 20 Teeth Bore 5mm + 6mm Timing Belt & 2X Idler 4X Tensioner for 3D Printer RepRap The round tooth shape ensures smooth installation of the belt teeth.uxcell uxcell V-Type Pulley 8mm Bore 80mm Outer Dia Single Groove Aluminum Alloy for Motor Shaft Drilling Machine 6mm(1/4") PU Package Content: 1pcs single groove pulley with 2pcs machine screws. Overall Dimension: 8 x 80 x 17.5mm/ 0.31 x 3.15 x 0CHANCS CHANCS Outer Diameter 60mm Single Groove Pulley 14mm 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 concentHUHAXIXI 1piece Double Groove Pulley Wheel Aluminum Alloy, 10-38MM Fixed Bore Pulley Width 80mm for 10mm PU Round Belt(19 mm) Usage: Fit for A type belt or motor shaft 10MM PU round beltHOOWIFFY HOOWIFFY 10Pcs 3D Printer Roller Wheels V-Groove Plastic Pulley Bearings Passive Large Diameter Black 5Mm Bore for 3D Pr Small pulley wheel--this v groove pulley is made of material, these pulleys are durable, sturdy and wearable,pulley wheeuxcell uxcell V-Type Pulley 12mm Bore 41mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilling Size - Aperture Diameter: 5mm; Outer Diameter: 22mm; Height: 15mm; The pulley is a single groove, fixed hole with machinDRIVESTAR DRIVESTAR OE-Quality New Belt Tensioner & Pulley Assembly for Hyundai Kia 2.0L 2.4L With Pulley: YesTotority Totority 10 Pieces Plastic Pulley Passive Round Wheel Bearing Pulley with Wear Resistance Lightweight Design Appearance Pulleys--fully oiled pulley, smooth and accurate to high move precision, stability and no noise,roller wheelViaGasaFamido ViaGasaFamido PU Transmission Round Belt Belting Green Rough PU Polyurethane Round Belt for Conveyor Bonding Machine Dry PU round belt, also known as PU round belt mainly PU particles as raw material which is produced after purification procＳｉｍｈｏａ 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.HARFINGTON HARFINGTON V-Type Pulley 6mm Bore 31mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilli Size - Aperture Diameter: 6mm; Outer Diameter: 31mm; Height: 15mm; The pulley is a single groove, fixed hole with machinHARFINGTON HARFINGTON V-Type Pulley 6mm Bore 31mm Outer Dia Single Groove Aluminum Alloy for 4-5MM PU Round Belt Motor Shaft Drilli Size - Aperture Diameter: 6mm; Outer Diameter: 31mm; Height: 15mm; The pulley is a single groove, fixed hole with machinOTOTEC OTOTEC Sweeper Round Drive Belt 5x485mm Compatible with Karcher KM 550 S500 S550 S650 Side Brush 6.363-012.0 Compatible Models：6.363-012.0 63630120 Compatible with Kärcher KM 550, S 500, S 550, and S 650 sweepers to drive the sidViaGasaFamido Green Rough Polyurethane Round Conveyor Belt for Dryer Systems Transmission Machinery - Durable PU Round Belt 4mm x 10 M PU round belt, also known as PU round belt mainly PU particles as raw material which is produced after purification procLIXIAOTONG 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 mmuxcell 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 applicableSING 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.uxcell 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 applicableACDelco ACDelco 38158 Professional Automatic Belt Tensioner and Pulley Assembly Designed to keep drive belt at proper tensionuxcell uxcell Polyurethane Round Belts 10mm Dia, 3 Meters (10ft) Length PU Polyurethane Belt for Drive Transmission (Rough Surf Size - Rough surface Polyurethane round belt with 10mm diameter, and 3 Meters (10ft) length.LIXIAOTONG Aluminum Alloy Round Belt Pulley Fixed with DIY Spindle Motor Drive Precision Beautiful Silk Top(6.35mm) Pulley for round beltZUUOZBYY ZUUOZBYY 5 Pack Screw Fixed Round Pulley Durable VShaped Pulley with 16mm Diameter Hole for Round Belt Transmission (540 The screw fixed round pulley is to generate round belt transmission by tightening the friction of the belt.uxcell uxcell 1Pcs Single Groove Pulley, 6mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 50mm / 1.97"; And applicableZUUOZBYY ZUUOZBYY 5 Pack Screw Fixed Round Pulley Durable VShaped Pulley with 16mm Diameter Hole for Round Belt Transmission (540 The screw fixed round pulley is to generate round belt transmission by tightening the friction of the belt.Kozelo Kozelo 5Pcs Universal Sewing Machine Motor Stretchable Belt - [ 10"(251mm) Perimeter x 3/16" (5mm) Thick] Nitrile Rubber 1- Package Contents - 5Pcs 10"(251mm) Perimeter x 3/16" (5mm)Thick Nitrile Rubber Round BeltsCHANCS 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 concentHARFINGTON HARFINGTON PU Transmission Belt Polyurethane Round Belts 2.5mm Dia 3.3ft(1 Meter) Length Smooth Surface Urethane Belt fo Size - Diameter: 2.5mm/0.1"; Perimeter: 3.3ft(1 Meter); Black Smooth Surface Urethane Round BeltACDelco ACDelco 38194 Professional Automatic Belt Tensioner and Pulley Assembly Ensures proper belt tension, alignment, and damping for superior performanceLIXIAOTONG Aluminum Alloy Misumi Round Belt Pulley Spindle Motor Drive Belt Wheel Diameter 100mm(Bore 11mm) Bore size:5/6/6.35/8/10/11/12/15/14mmuxcell 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 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, 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 1Pcs Single Groove Pulley, 18mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 18mm / 0.71"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 20mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 20mm / 0.79"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 12mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 12mm / 0.47"; Outer Diameter: 50mm / 1.97"; 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, 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, 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, 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 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 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, 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, 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 1Pcs Single Groove Pulley, 7mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 50mm / 1.97"; And applicableuxcell uxcell 1Pcs Single Groove Pulley, 15mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 11mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; Outer Diameter: 50mm / 1.97"; And applicabluxcell 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, 16mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 16mm / 0.63"; Outer Diameter: 50mm / 1.97"; And applicabluxcell uxcell 1Pcs Single Groove Pulley, 14mm Fixed Bore 50mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 1Pcs Single Groove Pulley; Aperture Diameter: 14mm / 0.55"; Outer Diameter: 50mm / 1.97"; And applicabluxcell 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, 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, 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, 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 applicabluxcell uxcell 2Pcs Single Groove Pulley, 11mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 11mm / 0.43"; 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, 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, 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, 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, 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 applicabluxcell uxcell 2Pcs Single Groove Pulley, 5mm Fixed Bore 40mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 5mm / 0.2"; Outer Diameter: 40mm / 1.57"; And applicableuxcell 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, 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 applicableuxcell 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 applicableuxcell 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, 6mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 6mm / 0.24"; Outer Diameter: 60mm / 2.36"; And applicableuxcell uxcell 2Pcs Single Groove Pulley, 15mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wre Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 15mm / 0.59"; Outer Diameter: 60mm / 2.36"; And applicabluxcell uxcell 2Pcs Single Groove Pulley, 7mm Fixed Bore 60mm Outer Diameter Aluminum Alloy Mechanical Belt Pulley with Hex Wren Package Content: 2Pcs Single Groove Pulley; Aperture Diameter: 7mm / 0.28"; Outer Diameter: 60mm / 2.36"; And applicable