Features 1、Alumina is metal aluminum with high hardness, not easy to be corroded, and high temperature resistant 2、Come with good wear resistance, no deformation, the surface is anodized red, can be used for a long time 3、Accurate size hole position is easy to install, convenient to replace. High temperature performance bring stable shrinkage 4、Adjustable filament handle, easy to install filament. Possess strong stability, fixability, applicability, flexibility 5、Possess hardened tool steel, CNC accuracy cutting gears, excellent extrusion control and lightweight aluminum body Specification Item Type: Extruder Kit Material: Alumina + tool steel + PTFE Models Used: For Ender 3, for Ender 3 Pro, for Ender 3 V2, for CR 10(will not directly fit for CR10 V2, V3), for CR 10S, for CR 10 mini, for 4CR 10 S4, for CR 10 S5, for CR 20, for CR 20 Pro Package List 1 x Mounting Plate 1 x Extruder 1 x Blue PTFE Tube 13 x Screw 1 x Brass Nozzle 4 x Nut 8 x Gasket 1 x Spring 2 x Wrench 1 x Gear Parts 2 x Mounting Plate Components 1 x Line 5 x Cable Tie 1 x Orange Buckle 1 x Metal Connector 1 x Black Accessories 1 x White Plastic Accessories 1 x Small Black Fixing Piece