Feature: 1. ACCURATE PARTS: The dual gear extruder use an all metal design, and the entire product is machined with CNC machine tools to ensure accuracy 2. APPLICABLE MODEL: Double gear extruder is compatible with for CR 10, for CR 10S, for Ender 3, for Ender 3 v2, for CR6 SE series machine, very versatile 3. STABLE AND NON SLIP: Geared extruder adopt linear consumables, possess stable transmission force, not easy to slip and offset along the extrusion wheel axes, which improve the printing accuracy of the printer 4. WEAR RESISTANT AND STRONG: Extrusion gear after quenching and Ni plating process treatment, more wear resistant, erosion resistant, long lasting 5. EXCELLENT PERFORMANCE: All gears are equipped with accurate bearings for high power transmission, extended service life and improved print quality Specification: Item Type: Dual Gear Extruder Rotation Ratio: 5: 1 Pulse: 680 Number of Driving Gears: 10 Number of Reduction Gears: 50 Number of Extrusion Gears: 17 Maximum Holding Torsion: 110mN.mTYP Moment of Inertia: 17g.cm² Supported Consumables: Approx. 1.75mm / 0.07in Compatible Machine: For CR 10, for CR 10S, for Ender 3, for Ender 3 v2, for CR6 SE series machine. Package List: 1 x Extruder 7 x Screws 1 x Spring 2 x Hex wrench 2 x Accessories