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 Also great for removing weld

Also great for removing weld scale

and it is an ideal choice for opening

use between coats of base coat and before the first layer of clear coat only (and not between layers of clear coat)

80 Grit 1/8" Shank Diameter Cone Shape Abrasive Sandpaper Flap Sanding Wheel Grinding Head Rotary Tool for Grinding and Polishing

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 Also great for removing weldRedrex 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