want to have a professional 3D printer extruder kit? want your 3D printer to work better? If you want, then you can see our product. Made with , , long serving time, it can meet your using requirements. Features - Material: Stainless steel, plastic. - Size: 4.50X4.50X5.00cm/1.77X1.77X1.97 inch. - A nice and professional 3D printer accessories, practical and . - Extruder feeder with high torque and stable operation. It makes loading easier and smoother without worrying about scratching or breakage. - Our extruder kit includes all the necessary screws and parts and can be quickly assembled by new players to get a perfect extrusion in just a few steps. - This extruder feeder driver is compatible with almost all models of 3D printers. There is no need to replace stepper motors or other mounting hardwares. - Compact and lightweight. Support for long- and short- freight. Package list: 1 set x 3D printer extruder kits