Features APPLICABLE MODEL: This extruder is suitable for CR 10, for CR 10S, for ENDer 3, for Ender 3 V2 and for CR6 SE, check for better fit! Other models can be designed according to size and mounting holes, and can print consumables such as PLA, ABS, PETG, TPU, etc. (Note: Caompatible with 36 Stepper Motor) EASY INSTALLATION: The main structure is made of ABS material and molded with a mold, which is small in size and light in weight. Multi hole installation, convenient and flexible installation and adjustment. DUAL GEAR STRUCTURE: The dual gear structure has a higher gear ratio, increasing torsion to increase the thrust of the extruder. The integrated reduction gear eliminates the binding of the lifting rope to prevent slipping. The gears are small and light. PREVENT SLIPPING: The HGT extruder gear is an integral nickel plated gear and a new integral reduction gear, which eliminates the need for machine screw fixation, prevents slipping, and prevents slipping during printing. POSITIONING PIN: Locating pins are made of strong materials, which can reduce wear and prolong the service life of printing jobs. Specification: Item Type: Dual Drive Extruder Material: ABS, Nickel Plated Transmission Ratio: 5:1 Pulse: 680 Number of Main Transmission Gears: 10 Number of Deceleration Gears: 50 Number of Extruded Gears: 17 Support Consumables Specification: Approx. 1.75mm / 0.07in Mounting Hole Position: Side 2 M3 deep Approx. 5mm / 0.2in bottom 2 M3 deep Approx. 5mm / 0.2in Package List: 1 x Dual Drive Extruder 6 x Screw  1 x Washer  1 x Handle  2 x Hex Wrench  1 x Spring  1 x Pneumatic Fitting Note: Must be used with a 36 type stepper motor, not compatible with a 42 type stepper motor. Package List 1 x Dual Drive Extruder 6 x Screw 1 x Washer 1 x Handle 2 x Hex Wrench 1 x Spring 1 x Pneumatic Fitting