FYSETC 3D Printer Accessories Upgrade MK2 MK3 Parts Drive Gear Kit Cloned B tech Dual Gears Steel Pulleys Kit Gears Extrusion Wheel for DIY Prusa i3

FYSETC is a professional supplier of 3D Printers related accessories products. Include Popular Printer CR-10, Ender 3, Prusa i3, Makerbot, Anet A8, Duplicator i3, Tevo Tarantula, Maker Select V2 etc. It has a professional R&D team and high quality after-sales service to ensure that you can purchase at a reliable price. If you need more, please feel free to email or Q&A us, we and our engineers are very happy to assist you. Specification: Four screw design, set screw type, beam coupling.Zero backlash. Top Thread Size: M4 Material: Stainless Steel Tooth: 17 Modulus: 0.5 Bore: 5mm Package include: 1 x Drive Wheel (Without screw hole) 1 x Drive Wheel (With M4 screw hole) 2 x Bearing 2 x M4 Nut 1 x Drive wheel shaft