3D Printer Extruder Gear Kit for Kobra 2, Dual-Geared Direct Drive Extruder,Kobra 3 Extruder Nano Coated Gear Kit Black

["olzzdda Nano Coated Gear Kit Black","Compatibility with Anycubic Kobra 2 Extruder Series","compatible with 1.75mm PLA, ABS ,TPU and etc filament.","extruder adopts dual metal gear extrusion system with stronger extrusion force, ensuring smooth feeding and fast retraction, reducing the chance of filament tangling, and compatible with PLA and flexible filaments","Bimetallic double gears are characterised by high precision, stability and durability"]