1、Applicable Models: This gear reduction extruder is suitable for CR10, for CR10S, for Ender 2, for Ender 3, for Ender 5 series 3D printer model, with good compatibility. 2、Print Consumables: This extruder can print consumables with a standard diameter of 1.75mm, such as PLA, ABS, PETG, TPU, PP, PC, nylon, PEEK, PEI, etc. 3、All Metal Structure: The extruder shell is made of aluminum oxide alloy, the extrusion wheel is made of hardened steel, with quenching and electroplating to ensure long durability. 4、Fine Workmanship: With CNC machining, this gear extruder has high accuracy, less deformation, small assembly error, and wear resistance, ensuring stable and continuous printing. 5、Good Performance: The large extrusion wheel increases the grip of consumable, reduces slipping, and increases torsion and extruder thrust with a larger transmission ratio.