ITEM NAME:Upgraded Replacement Aluminum Extruder Drive Feed for Creality CR-10 Description: - extruder drive feed kit, can replace parts of CR-10 - Easy and convenient to use. - With high quality and durable performance. - This modified Extruder has a filament guide tube, all screws, spare drive gear, and upgraded Bowden tube fitting, for CR-10 3D Printer. Package Included: 1x Extruder set.Extruder drive feed kit, can replace parts of CR-10. 1x Extruder set. - Easy and convenient to use.