Features Double-gear Extrusion Mechanism: The extruder adopts a double-gear extrusion mechanism with large extrusion force to ensure smooth feeding and smoother work and use. Complete Accessories: Aluminum alloy extruder DIY kit comes complete with accessories and is easy to install and use without complicated tools. Fine Machining: The extruder is fine processed, has stable performance, not easy to be damaged, has long last durability. Made of Selected Aluminum Alloy: The extruder kit is made of selected aluminum alloy material, which has good strength and sturdiness, and is easy to use. Applicable: This extruder can be applied to 3D Printer Extruder CR10 CR10S CR10S Pro Ender 3 Ender 3 Pro Ender 5, for Tornado etc. Specification: Item Type: Dual Gear Extruder Model: CR-10S PRO Extruder Material: Aluminum Alloy Color: Red Adaptation: For Creality CR10 CR10S CR10S Pro Ender 3 Ender 3 Pro Ender 5, for Tornado, etc. 3D printer Package List: 2 x Dual Gear Extruder 1 x Spring 8 x Screw 7 x Accessories Note: 1. This is left hand extruder. 2. The wrong installation direction will affect the Z axes screw. 3. If the printer has replaced the motor, the hole height may be inconsistent after installation. Package List 2 x Dual Gear Extruder 1 x Spring 8 x Screw 7 x Accessories