MK2/MK3 Parts Drive Gear Kit Clone B Double Gear Steel Belt Wheel Kit Gear DIY Prusa I3 Gear Extrusi

This gear kit is designed for Prusa i3 3d printer DIY. The gears come as a set consisting of a primary drive gear with an M3 setscrew that fits on a 5mm shaft with a flat side as those on standard Nema17 motors.Dual drive gears for 1.75 mm filament, precision custom CNC machined with extreme precision guarantees that you you always wanted.Manufactured in hardened steel with a protective surface treatment will give you a long and extreme reliability.A lithium-based grease is recommended to use on gear section and inside needle bearings for low friction and to avoid wear. A small of grease is enough.Compatible with Prusa i3 MK2 MK3, Dual Gear Extruder, Dual Drive Bowden Extrude. Tooth 17, Bore 5mm.colour:SilverMaterial:stainless steelPackage Contents:1 x drive wheel (without screw) hole)1 x driving wheel (with M3 screw hole)2 x bearing2 x M3 nut1 x drive axle1 x Hex keyOnly above package content, other products are not included.Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +\/- 1-3cm.