Feature 1 GOOD STABILITY: High accuracy CNC hardened steel internal parts ensure smooth feeding when printing, can achieve the best performance of your 3D printer. 2 FOR 1.75MM CONSUMABLE: Compatible with all open source 3D printers with 1.75mm diameter consumables on the market, supporting remote and short range feeding. 3 DUAL GEAR DRIVE: Adopt double gear drive speed reduction mechanism, with 3:1 transmission ratio, has large torsion, stable feeding without slipping. 4 WITH SPRING: Fastening spring mechanism allows the user to fine tune the pressure the gear applies to the filament for easy filament replacement. 5 APPLICABLE MODEL: Compatible with most DIY 3D printers, such as for CR10, for MK8 V6 CR10 Ender 3 series, for Wanhao D9, for Anet A8 E10, for Geeetech A10 high performance 3D printer.Item Type: 3D Printer Extruder KitGear Ratio: 3:1Consumable Diameter: 1.75mmSuitable Material: PLA, ABS, PETG, TPU, nylon, carbon fiber, woodAdaptation: Compatible with most DIY 3D printers, such as for CR10, for MK8 V6, for CR10 Ender 3 series, for Wanhao D9, for Anet A8 E10, for Geeetech A10 high performance 3D printer Package List1 x Extruder1 x Motor Bracket2 x Hex Wrench3 x Screws1 x PTFE Tube1 x Spring1 x Gasket1 x Adjusting Screw3 x Accessories