K1 Gear 2 Sets (4 Pieces) K1 Max Extruder Gear Kit Full Metal Wire Drive Extruder Gear,For K1 k1max K1C V3 V3 plus Nickel plating prevents rust, making the gears last longer and more lubricated. Enhanced Durability, for Extruders' integrated filament drive wheel features all-steel construction, ensuring superior durability and . Heat-treated with a hardness of 55 HRC, it can be used continuously without wear. Improved Performance, this filament drive wheel features a mechanized integrated design, providing accurate and reliable filament feeding for your 3D printer. Colour:Silver Material:Hardened Steel Package Contents: 1set x 3D Printed Dual Gear Extrusion Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.