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Best Choice YDuupxe 
Linear Motion Rod Shaft Kit, 2 Linear Motion Guide Rod Shaft, 4 SC8UU Sliding Bearing Block, 1 Lead Screw 1 Nut 2 Vertic [Complete Set] Kit includes everything needed for easy installation and efficient operation, making it a must-have for dBest Value Zopsc 
8mm X 400mm Linear Motion Guide Rail Shaft CNC Linear Rail Shaft Rod with Bearing Guide Support + SC8UU Bearing Block Se brand new andVEVOR 
VEVOR Linear Guide Rail Set, SBR20 1000mm, 2 PCS 39.4 in/1000 mm SBR20 Guide Rails and 4 PCS SBR20UU Slide Blocks, Linea SBR Linear Guide Rail Set: SBR20-1000 mm Linear motion guide rail includes 2 x 39.4 in/1000 mm length SBR20 guide railsYDuupxe Linear Motion Rod Shaft Kit, 2 Linear Motion Guide Rod Shaft, 4 SC8UU Sliding Bearing Block, 1 Lead Screw 1 Nut 2 Vertic [Complete Set] Kit includes everything needed for easy installation and efficient operation, making it a must-have for dLuocute 
Mini Linear Rail Guide Slide Actuator, 200mm Stroke T6x1 Screw NEMA11 Stepper Motor for DIY CNC Router Parts, Table Ball 【Compact and Efficient】This mini linear stage actuator, equipped with a stepper motor and leads screw nut, offers precisuxcell 
uxcell Linear Motion Rod Shaft Guide Set 2pcs 8mm x 500mm Linear Motion Guides Steel Plated Smooth with 2pcs SCS8UU Bear Linear Motion Shaft Set: Package includes 2 x linear rail, sized 8mm x 500mm, 2 x SCS8UU bearing blocks, and 4 x SK8 shaJectse 
2Pcs 8mm Linear Rod, Linear Motion Shaft,Stainless Steel Cylinder Rail Linear Shaft,for Linear Motion, Automatic Machine This guide rod is for linear motion, automatic machinery, injection molding machine, etcuxcell uxcell 4pcs SK16 Aluminum Linear Rod Rail Shaft Support for 16mm Diameter Shaft, Linear Motion Rail Guides Mounting Brac Model: 4pcs SK16 linear motion shaft clamping support rhombus shape with 1pcs wrench, fit for 16 mm/0.6 inches diameterVEVOR VEVOR Linear Guide Rail Set, SBR16-2000mm, 2 PCS 2000 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linear Rails SBR Linear Guide Rail Set: SBR16-2000 mm Linear motion guide rail includes 2 x 78.7 in/2000 mm length SBR16 guide railsVEVOR VEVOR Linear Rail Guide Kit, HGR20, 2Pcs 1000 mm (39.4 inch) Linear Motion Rails and 4Pcs Bearing Slide Blocks, Anti Rus HGR Linear Rail Kit: Comes with 2 x 39.37 in (1000 mm) linear rails, 34 x end caps, and 4 x rail clamps. This set is comViaGasaFamido Miniature Linear Motion Rail Guide LML9B 9mm Slide Rail Compact Size and Lightweight 4-Point Design for Industrial Autom [Versatile applications] widespread in automatic devices, precision measuring tools and machines that require precise liVEVOR VEVOR Linear Guide Rail Set, SBR16 1000mm, 2 PCS 39.4 in/1000 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linea SBR Linear Guide Rail Set: SBR16-1000 mm Linear motion guide rail includes 2 x 39.4 in/1000 mm length SBR16 guide railsVEVOR VEVOR Linear Guide Rail Set, SBR20 800mm, 2 PCS 31.5 in/800 mm SBR20 Guide Rails and 4 PCS SBR20UU Slide Blocks, Linear SBR Linear Guide Rail Set: SBR20-800 mm Linear motion guide rail includes 2 x 31.5 in/800 mm length SBR20 guide rails anGeneric Generic Steel MGN12H Carriage Block Linear Motion Guide Rail Slider Bearing Block for 3D Printer, Widely Used in New Ene [SECURE SLIDING]: Steel wire holder structure prevents steel balls from dislodging, promoting stable and smooth slidingGeneric Generic Manual Linear Stage Actuator, Double Rail Z Axis Linear Rail Guide Motion Guide Actuator with 0-30mm Stroke, Sel Number Display: This manual linear stage features an innovative number display at the handwheel connection, allowing preuxcell uxcell 8mm x 380mm Hardened Rod Chrome Plated Linear Motion Shaft/Guide 8mm Diameter(Tolerance: -0.01mm ~ -0.03mm), 380mm long Linear Motion Shaftuxcell uxcell 20mm Shaft Support SHF20 Flange Mount Linear Motion Slide Rail Guide Blocks for CNC 3D Printer (Pack of 2) Model: SHF20. Fits for 20mm Diameter ShaftVEVOR VEVOR Linear Rail Kit, SFC25, 2Pcs 1000 mm (39.4 inch) Linear Motion Guide Rails and 4Pcs Bearing Slide Blocks, for DIY SFC25 Linear Rail Kit: Includes two 39.37 in (1000 mm) linear rails and four slide blocks. It is compatible with DIY enguxcell uxcell 2 Pcs 8mm x 900mm Linear Motion Rail Shaft Slide Guide with 4 Pcs SCS8UU Bearings and 4 Pcs SK8 Rail Support Line Specification: Rail Guide Total Size: 8mm x 900mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);Spacnana Linear Rail 500mm 12mm Dia Ball Bearing Slide Bushing Optical Axis Rod Support Set for CNC Machine and 3D Printer (8-350 HIGH CARBON STEEL MATERIAL: The linear guide rail is made of high carbon steel, and the linear bearing is made of steel,uxcell uxcell 2 Pcs 8mm x 750mm Linear Motion Rail Shaft Slide Guide with 4 Pcs SCS8UU Bearings and 4 Pcs SK8 Rail Support Line Specification: Rail Guide Total Size: 8mm x 750mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);Cryfokt Linear Stage Table, 75mm M5 Stroke Aluminum Alloy CNC Linear Stage Motion Actuator Sliding Table Linear Rail Guide Rail 【DURABLE】Been through oxidation treatment on the surface, the lightweight aluminium alloy material is wear resistant andJectse Linear Motion Rod Shaft Kit with Low Friction Coefficient, 304 Stainless Steel, High Tensile Strength, Wide Use for 3D P Kit Contents: Linear guide rod shaft kit contains 2 linear motion guide rod shaft, 4 SC8UU sliding bearing block, 4 shafuxcell uxcell 4PCS SHF16 Aluminum Linear Motion Rail Clamping Rod Rail Guide Support for 16mm Diameter Shaft Model: SHF16; Shaft Diameter: 16mm/0.63inch; Mount Hole Dia.: 5.5mm/0.22inchJiawu Jiawu Linear Rail Stop Collars, 4pcs SBR20 Aluminum Alloy Shaft Collar, Anti Collision Block Stopper, CNC Parts Tool wit [ALUMINUM ALLOY]: Shaft collar is made of premium aluminum alloy material, lightweight, oxidation resist, sturdy and rugGrcfumo Grcfumo LML9B Linear Motion Rail, Linear Slide Guide Rail, 100mm Miniature Linear Rail Guide Rail for CNC Machine 3D Pri BALLS RETAINER FOR ENHANCED ACCURACY: The linear motion rail incorporates a ball retainer system, which is crucial for mGeneric Electric Linear Rail Guide 200mm Ballscrew SFU1605 Slide Stage Load 250kg Nema23 Motor Base for DIY CNC Z Axis, Linear M High-quality Premium Aluminum Construction: Crafted from high-quality aluminum alloy, ensuring long-lasting performanceJeffergarden Jeffergarden 2PCS 8mm Linear Shaft High, Linear Rail Shaft Rail Cylinder Accuracy Plated Steel Motion Guide Cylinder for 2PCS IN 1 SET: Including 2pcs 8mm linear shafts, with standard size, and are common accessories for 3D printers.uxcell uxcell 2pcs Linear Motion Rod Shaft Guide 6mm x 400mm Steel Chrome Plated Smooth Hardened Rod High Precision Linear Moti Size - 6mm x 400mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/ZyjGaliliad 6Pcs SBR12UU Linear Motion Guide Rail Sliding Block Set, Smooth Accurate Operation, Alloy Steel Linear Slide Blocks for Micron-Level Precision: This SBR12UU linear motion guide rail sliding block set delivers μm-level accurate positioning tuxcell uxcell 2pcs Linear Motion Rod Shaft Guide 8mm x 200mm Bearing Steel Chrome Plated Smooth Hardened Rod High Precision Lin Size - 8mm x 200mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/uxcell uxcell 2pcs Linear Motion Rod Shaft Guide 8mm x 100mm Steel Chrome Plated Smooth Hardened Rod High Precision Linear Moti Size - 8mm x 100mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/uxcell uxcell Linear Motion Rod Shaft Guide Set 2pcs 12mm x 500mm Linear Motion Guides Bearing Steel Plated Smooth with 2pcs SC Linear Motion Shaft Set: Package includes 2 x linear rail, sized 12mm x 500mm, 2 x SCS12UU bearing blocks, and 4 x SHF12uxcell uxcell 2 Pcs 8mm x 600mm Linear Motion Rail Shaft Slide Guide with 4 Pcs SCS8UU Bearings and 4 Pcs SK8 Rail Support Line Specification: Rail Guide Total Size: 8mm x 600mm; SK8 Rail Support Size: 33 x 42 x 15 mm/1.3 x 1.7 x 0.6 inch (L*W*H);Generic XYWHPGV 4PCS SK10 Aluminum Linear Motion Rail Clamping Rod Rail Guide Support for 10mm Diameter Shaft(60bc5 85b72 67cd9 Model: SK10; Shaft Diameter: 10mm/0.39inch; Mount Hole Dia.: 5.5mm/0.22inchMingzhe Mini Linear Rail Guide Slide Actuator Stepper Motor 50mm Stroke DIY CNC Router Parts X Y Z Stage with T Screw Rod [Excellent Alloy Material] : Made of high-quality alloy with a thickened bottom plate for stability during .uxcell uxcell 2pcs Linear Motion Rod Shaft Guide 12mm x 400mm Steel Chrome Plated Smooth Hardened Rod High Precision Linear Mot Size - 12mm x 400mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5Denash Denash Miniature Lightweight Slide Guide Rail, Linear Guide Rail, for Automatic Equipment Linear Motion Parts (550mm) Simple and easy to use. Beautiful design.Denash Denash Miniature Lightweight Slide Guide Rail, Linear Guide Rail, for Automatic Equipment Linear Motion Parts (250mm) Simple and easy to use. Beautiful design.uxcell uxcell 2pcs Linear Motion Rod Shaft Guide 8mm x 250mm Steel Chrome Plated Smooth Hardened Rod High Precision Linear Moti Size - 8mm x 250mm (D*L). High precision with a tolerance of 0.005mm. Hardness up to 60-64 HRC. High straightness, ≤0.5/ASHATA ASHATA Linear Actuator Manual Sliding Table Stage Kit, Manual Linear Stage Double Rail Z Axes Motion Sliding Table for C Number Display: This manual linear stage features an innovative number display at the handwheel connection, allowing preVEVOR VEVOR 12V Linear Actuator, 152.4mm Stroke IP65 Waterproof Linear Actuator, 3000N 5mm/s Motion Actuators with Mounting Br IP65 Superior Protection: Rated IP65 for dust and water resistance, VEVOR's 12V linear actuator is suitable for use in oFdit Fdit MGN9H Linear Guide Rail, 100mm Precision Bearing Steel Rail with Carriage Block, High Accuracy for CNC, 3D Printers Smoother Sliding: Featuring a robust steel wire holder structure, this linear guide rail effectively prevents steel ballVEVOR VEVOR 12V Linear Actuator, 203.2mm Stroke IP65 Waterproof Linear Actuator, 675lbs/3000N 0.2"/s Motion Actuators with Mou IP65 Superior Protection: Rated IP65 for dust and water resistance, VEVOR's 12V linear actuator is suitable for use in oHWyndiluvian Linear Motion Guide Rod Shaft Kit with T8x8 Lead Screw, SC8UU Sliding Bearing Block, Flexible Shaft Coupling for 3D Prin High Precision Motion: This linear motion guide rod shaft kit delivers smooth, low-friction movement with high trajectorJspondivague 600mm Linear Motion Guide Rail with Slider, High Load Bearing Steel Linear Slide Rail for CNC Machines, μm Precision Pos Micron-Level Precision Positioning: This linear motion guide rail features automatic centering that enables μm-grade accRiuulity Riuulity Miniature Linear Slide Rail, Block 250mm 300mm 400mm 500mm 550mm Linear Rail with Professional Technical Design [Easy Installation] With standard m6 rail and m3 block screw sizes this linear system simplifies your setup process. theZyjGaliliad 600mm Linear Motion Guide Rail, Steel High Load Bearing Precise Positioning Low Friction Slider Rail with Slider for CNC Micron-Level Precision: This linear motion guide rail delivers μm-grade accurate positioning thanks to its automatic cenOVAQUIXI OVAQUIXI MGN9H Linear Guide Rail 100MM, Bearing Steel Linear Motion Guide Way with Carriage Block for CNC, 3D Printers & SMOOTH & PRECISE MOVEMENT: This linear guide rail features a steel wire holder structure that prevents ball bearing lossAoutecen Linear Rail Guide 200MM MGN9H Carriage Block Linear Sliding Rail Guide and Lengthened Slider for 3D Printer CNC Machine [High Strength Material] Constructed from high-strength bearing steel, this linear rail is built to withstand heavy loadPRETYZOOM PRETYZOOM Linear Motion Guide Slide Blocks 2Pcs Sbr12Uu Open Bearing Blocks Wear Resistant for Industrial Sliding Use Linear rail sliding block--smooth and precise linear motion bearing slide block allows for offering a optimal performancWalfront MGN12H Mini Linear Rail Guide, 250/ 300/ 400/ 500/ 550mm Linear Sliding Gide with MGN12H Carriage Block for DIY 3D Print Ciieeo Ciieeo 2pcs Sbr12 Linear Rail Sliding Blocks Bearing Blocks for Cnc Machines and Industrial Linear Motion Guides Slide block--sliding bearing block features an open design for easy installation and maintenance,linear rail guide blockMarhynchus Marhynchus Linear Motion Guide Rail Block, Linear Motion Guide Rail Block Slider Bearing Steel Sliding Blocks, High for [Wide Application] Widely used in various industries such as cnc machinery, automation machinery, and woodworking machinJxngery Jxngery 3D Printing Linear Motion Rail Bearing Block Low Noise High Speed Linear Motion Guide Rail with Slide Block [Practical and Retainer Structure] Linear motion slide rail block with steel wire retainer structure, effectively prevenBaluue Baluue Open Linear Motion Guide Rail Sbr20uu 20mm Shaft Bearing Block Sliding Carriage Slider for Industrial Linear Slid Accurate motion: the open linear bearing slide block sbr20uu delivers precise and smooth linear motion, thanks to its li11% Off Changor Changor MGN12H 12mm Miniature Linear Guide Block Slide Block with 4 Point Design and Ball Retainer mgn12h linear rail fo [Ball Retainer Design] Designed with a ball retainer, this LML12B Linear Rail allows for easy interchangeability and maiTHK-HIWIN Original HIWIN Linear Guide Block HGW20CC HGW20 HGW20CCZ0C/ZAC/Z0H/ZAH W20C HG20 Linear Rail/Carriage/Bearings/Guideways Rails available:When desiring linear rails 100mm to 3000mm long,contact usJHKNNK JHKNNK Linear Motion Guide Slide Blocks 2Pcs Sbr12Uu Antirust Bearing Blocks Suitable for 3D Equipment and Cnc Use Linear bearing:smooth and precise linear motion bearing slide block allows for offering a optimal performance,bearing bluxcell uxcell SHF10 Aluminum Linear Rod Rail Shaft Support, 10 mm ID Linear Rail Mounting Bracket Motion Rod Clamping Guide Sup The SHF10 aluminum linear axis bracket is precision-designed for 10mm motion rods, featuring lightweight durability thatJiawu Jiawu Linear Guide Rail, Y Axes Guide Rail with Sliding Block, 3D Printer Linear Motion Rail for Neptune 3 Pro 4 for End APPLICABLE 3D PRINTER MODEL: Upgrade Y axes linear slide rail kit, suitable for Neptune 3, for Neptune Pro, for NeptuneSorandy Stainless Steel Linear Sliding Guideway Black Sliding Block for 3D Printer and CNC Machine, 2 MGN12H Carriage Block 500m Excellent Bearing Steel Material: This slider linear guide is made of excellent bearing steel material, which is charactTOPINCN TOPINCN Compact and Exquisite Linear Actuator for and Ventilation Facilities, T Type Screw, DC 12V (Stroke 30mm-15mm/s-5 [RELIABLE PERFORMANCE] The linear actuator features a powder metallurgy fuselage and aluminum tube for enhanced durabiliNUMNBE Linear Motion Guide Rail Slider, Bearing Steel Slide Block for CNC Machine Tool - Smooth Movement, High Load Capacity, I [ Performance]: Designed for linear rails cnc table applications, this guide rail slider ensures smooth linear motion wiSHINEOFI SHINEOFI Linear Motion Guide Rail Block Sbr20uu Open Type Slider Block with 20mm Inner Diameter Bearing Carriage for Cnc Load capacity: designed to handle high loads, this linear slider bearing block can support significant pressure and weigPomya Pomya High Tensile Strength Linear Motion Guide Rod Shaft Kit for Stepper Motor Guide 3D Printer Slider Aluminum Alloy ( [PRECISE MOTION] Enjoy high trajectory accuracy with this kit, thanks to its low friction coefficient.Respicefinem Respicefinem Linear Motion Guides Table High Accuracy Ball Screw Sliding Motion Stage Linear Guide Rail 100mm Stroke Lin Precision-Built Linear Motion: Our linear rail integrates a high-accuracy ballscrew mechanism, promising exceptionally sRespicefinem Respicefinem Linear Motion Guides Table High Accuracy Ball Screw Sliding Motion Stage Linear Guide Rail 100mm Stroke Lin Precision-Built Linear Motion: Our linear rail integrates a high-accuracy ballscrew mechanism, promising exceptionally sRespicefinem Respicefinem Linear Motion Guides Table High Accuracy Ball Screw Sliding Motion Stage Linear Guide Rail 100mm Stroke Lin Precision-Built Linear Motion: Our linear rail integrates a high-accuracy ballscrew mechanism, promising exceptionally sJxngery Jxngery Linear Sliding Guide Kit Rust Corrosion Resistant Bearing Steel Linear Motion Guide Slider Block Set for 3D Prin Smoothly Movement: The slider slides smoothly at high speed on the linear guide, suitable for high speed movementHaofy Haofy 304 Stainless Steel Linear Motion Guide Rod Shaft Less Noisy Kit for Engraving Machine, Stepper Motor Guide, Alumi [EFFICIENT MOTION] Enjoy smoother operations with the low friction coefficient of the stainless steel linear guide rod sULDIGI ULDIGI Sbr20uu Linear Rail Block Bearing 20mm Open Carriage Slider Sliding Block for Machine Linear Motion Guide Rail Versatile applications: ideal for a variety of applications, including automation systems, cnc machinery, and cutting maAoutecen MGN12H 12mm Miniature Linear Rail Guide with 4 Point Design Ball Retainer for Precision Measuring Equipment Automatic Ma [Versatile Industrial Applications] Perfectly suited for automatic equipment precision measuring devices and various macJxngery Mini Linear Rail Guide Steel Carriage Block Slide Rail for Linear Motion Guide Rail Slider M3 Thread Fits Automation Equ [HIGH PRECISION AND STABILITY] The linear rail guide carriage block ensures and .TOPINCN TOPINCN Compact and Exquisite Linear Actuator for and Ventilation Facilities, T Type Screw, DC 12V (Stroke 30mm-30mm/s-2 [RELIABLE PERFORMANCE] The linear actuator features a powder metallurgy fuselage and aluminum tube for enhanced durabiliuxcell uxcell Linear Ball Bearings 8mm Bore 15mm OD 24mm Length for CNC Machine 3D Printer 4pcs [SIZE] - 8x15x24mm Metric Double Seal Linear BearingFdit Linear Guide Rail, Precision Bearing Steel Slide Rail for 3D Printers, CNC & Miniature Equipment, High Load Capacity & μ Good Compatibility: This sliding guide is ideal for CNC machine tools, injection molding machines, 3D printers, and anyChangor Changor Linear Rail Guide MGN9H High Precision Heavy Duty Bearing Steel Linear Sliding Rail Guide with Lengthened Slider [Versatile Application] With its 200mm length and professional-grade construction, this linear guide rail adapts to variChangor Changor Linear Rail Guide MGN9H High Precision Heavy Duty Bearing Steel Linear Sliding Rail Guide with Lengthened Slider [Versatile Application] With its 200mm length and professional-grade construction, this linear guide rail adapts to variCUOFYUNL CUOFYUNL Linear Motion Rail Bearing Block Automatic Aligning Ability Linear Motion Guide Slide Block for 3D Printing [High Speed and Low Noise] This linear motion rail bearing block is in high speed and low noise, also smooth sliding witLIYJTK Linear Motion Guide Rail Slider High Accuracy Bearing Steel Slide Block CNC Machine Tool [HIGH PRECISION PERFORMANCE] Ensures smooth movement, low , and minimal noise for stable operation.Jxngery Mini Linear Rail Guide Steel Carriage Block Slide Rail for Linear Motion Guide Rail Slider M3 Thread Fits Automation Equ [HIGH PRECISION AND STABILITY] The linear rail guide carriage block ensures and .ZyjGaliliad Linear Guide Rail 400mm, Linear Motion Slide Rail, Low Friction Bearing Steel Micro Motion Slide for 3D Printer CNC Mach Precision Motion Control: This linear guide rail 400mm delivers ultra-smooth micro motion thanks to its low-friction beaSHINEOFI SHINEOFI 2pcs Sbr12 Open Linear Guide Rail Bearing Blocks with Locking Linear Motion Shaft Slide Units for Cnc Machines Linear bearing slides:utilizes a rolling friction mechanism to assure precise linear motion and superior positioning accRESFNSE RESFNSE 1Pcs 9mm Linear Guide Miniature Rail MGN9 400mm Linear Rail and 1 Pcs MGN9H Miniature Rail Slider Linear Guides MGN Series: 400mm MGN9 linear rail guide with MGN9H blockCryfokt Cryfokt Creativity Upgrade Y axis Linear Rail Guide Kit, Suitable for 3, Pro, 4, Ender3, Ender3Pro V2, Ender3S1, Ender3S [ Material] Crafted from high carbon steel, these rails boast exceptional wear , hardness, and stability, delivering uniNDNCZDHC NDNCZDHC X Axes Rail Upgrade Kit Metal Linear Motion Rail Guide with Slide Block 3D Printer Accessories INCLUDED TOOLS: X axes guide upgrade kit, including slide rail, screws, nuts and mounting bracket, is a commonly used 3DBarrons Educational Series Visual Learning: Physics: An Illustrated Guide for All Ages Visual Learning: Physics: An Illustrated Guide For All AgesBarrons Educational Series Visual Learning: Physics: An Illustrated Guide for All Ages Visual Learning: Physics: An Illustrated Guide For All AgesZyjGaliliad Linear Guide Rail 400mm, Linear Motion Slide Rail with Extension Slider Bearing Steel for 3D Printer CNC Machine, High P High Precision Positioning: This linear guide rail 400mm features accurate bearing steel and an automatic centering funcMultizenic 3D Printing Linear Motion Rail Bearing Block, Linear Guide Slide Block with Steel Wire Retainer, Non Clogging Quiet Runn High Precision & Smooth Operation: This linear motion rail bearing block delivers and fluent sliding without sticking, tZyjGaliliad 3D Printing Linear Motion Rail Bearing Block, Linear Guide Slide Block with Steel Wire Retainer, Non Clogging Quiet Runn High Precision & Quiet Operation: This linear motion rail bearing block delivers smooth, fluent sliding with minimal noiStarrypxl Starrypxl Linear Motion Guide Shaft SC8UU Slide Block KP08 Bearing Pillow 8mm 350mm Precision Support 3D Printer Engravi [VERSATILE COMPATIBILITY] This linear motion rod shaft guide set is designed for a wide range of applications includingStarrypxl Starrypxl Linear Motion Guide Shaft SC8UU Slide Block KP08 Bearing Pillow 8mm 350mm Precision Support 3D Printer Engravi [VERSATILE COMPATIBILITY] This linear motion rod shaft guide set is designed for a wide range of applications includingJspondivague 1pc 550mm MGN12 Miniature Linear Guide Rail with 2pcs MGN12C Slide Blocks, 12mm Width Precision Linear Motion Rail for C High Load Capacity in Compact Design: This MGN12 miniature linear guide rail features a 4-point contact design that evenViaGasaFamido ViaGasaFamido MGN12H-150-1R 150 Mm Linear Rail Guide for 3D Printer Upgrades and CNC Machines Two -row ball cycle design, the angle of the ball track is 45 degrees to achieve the optimization effect.LIYJTK 8mm Linear Shaft High Accuracy Chrome Plated Steel Motion Guide Cylinder 3D Printer Accessories (200mm) [TWO SHAFTS INCLUDED]: This set comes with 2 pieces of 8mm linear shafts, perfect for 3D printer upgrades.