Redrex Dual Gear Extruder Metal Drive Feeder Upgrade Kit for Creality Ender 3 V2 Ender 3 Pro CR10 Series 3D Printer TPU Filament Supported Dual Drive Extruder Size:Dual Drive Extruder Walter Surface Technologies 15D044 Backing

Walter Surface Technologies 15D044 Backing Pad Assembly - 4 ½ in

Wire length: 1m/39

4mm Ender 3 Nozzle×3 and 2 Pair Pneumatic Couplers

Silk Gun-Metal

Easy to clean with water or compressed air

Redrex Dual Gear Extruder Metal Drive Feeder Upgrade Kit for Creality Ender 3 V2 Ender 3 Pro CR10 Series 3D Printer TPU Filament Supported Dual Drive Extruder Size:Dual Drive Extruder Walter Surface Technologies 15D044 BackingRedrex Dual Gear Extruder Metal Drive Feeder Upgrade Kit for Creality Ender 3 V2 Ender 3 Pro CR10 Series 3D Printer TPU Filament Supported Kindly Reminder: Please calibrate the E steps from 100 to 139Lubricate the gears before use for better results What are the advantages and upgrades of the REDREX dual gear extruder ? Issues that this fixes: Miss aligned Extrusion feed gearsExcessive part damage from wearMissing layer extrusionOver and under