Feature:1. The extruder driver has better pressure, can push the filament into the printer nozzle and improve the performance, thus providing you with better choices.2. The 3D printer extruder can print high‑quality products and provide you with perfect experience.3. The machine has stable performance and a wide range of applications, suitable for Prusa i3 MMU2S, MK3S models.4. This is a DIY kit that requires self‑assembly, including all necessary screws and machine accessories, easy to install.5. Made of high quality material, these kits are durable and have long service life.Specification:Item Type: 3D Printer Extruder KitMaterial: Aluminum alloy + ABSModel: Pitstop extruderFan Voltage: DC5V 0.23AFan Model: AFB0605LThermal Grease Model: HY510Thermal Conductivity:>1.93W/m-kThermal Resistance: <0.225℃-in²/WFan Size: Approx. 60 x 60 x 25mm / 2.4x 2.4 x 1inFan Hole Distance: Approx. 50mm / 2inHow to Use:1. Place the fan in the proper position of the printer2. Use the attached screws and nuts to fix the fan3. Connection installation4. Start Package List:1 x Heat Sink10 x Black Tape1 x Connection Line1 Box Thermal Grease1 x Fan34 x Nut39 x Screw8 x Magnet Block