Material: The main block is made ofMetal, is super durable and has a sandblasted finish that is oxidation resistant. The Inside of the Extruder is smooth as silk, with out any burrs to give the best 3D Printing Results. Specially designed to Easy to Use: This Extruder will make sure that the fillament Very easy to install. You do not need a tchnician to do it. Thanks to the new double gear extrusion mechanism, This Extruder has high extrusion force, wich ensures smooth feeding. Compatible with Creality CR-10, Creality CR-10-S4, Creality CR-10-S5, Creality CR-10S, Creality Ender 3, Creality CR-10S Pro, Creality Ender 3 Pro, Creality Ender 5, Creality CR-10 Max, Creality CR-10S Pro V2, Creality CR-10 V2, Creality Ender 5 Pro, Creality Ender 5 Plus, Creality Ender 3 V2, Creality CR-6 SE, Creality Ender 6, Creality CR-5 Pro Set Contains: 1x Extrusion Seat; 1x Extrusion Clamp, 2x Gears, 1x Quick Release Claw, 1x Extrusion Pin, 1x Blind Rivet Nut, 2x Hexagon Socket Round Screw, 2x Jack Screw, 1x Line Claw, Product provided by MMOBIEL - We always try our best to exceed your expectations at every turn. Join the ever-growing list of satisfied customers and discover the difference with MMOBIEL.