Larger area, higher quality:The upgraded sheet metal bracket does not reduce the printer's build size, and has lower torque requirements, stable feed, and reduced clogging. Better Material: Made of aluminum alloy and plastic, and wear-resistant, long service life. Easy to Install: Adopts longer extruder motor connection cable, easy to install. Strong Compatibility: More suitable for printing on flexible materials such as PLA and TPU. Wide application: Suitable for -3// 3S/ 3 Pro/TEVO/Alfawish/-10/-10S/Mini/S4/S5. The upgraded Bowden pipe joint and dual-gear extrusion mechanism have high extrusion force to smooth feeding and better support for flexible consumables. It will also allow for faster printing with sustained quality and less risk of wearing out consumables. Voltage: 12V Material: Metal colour: red+black Package Contents: 1 x 3D printer kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.