1、[Suitable] Suitable for 3D printer for Ender 3 3Pro CR10 CR10 S4 CR10 S5, for Tevo Tarantula, etc. 2、[Smooth Stable] Smooth and stable movement, solve the problem of swing, improve printing quality and speed. 3、[Low Noise] These wheels are low noise, sturdy, durable, with excellent performance and high work efficiency. 4、[625zz Bearing] Using sophisticated production technology, these wheels have 625zz bearings and have a long service life. 5、[Simple Operation] Each pulley has an accurate center gasket between the two bearings, which is easy to operate and easy to use. 15 x V Shape Wheels Item Type: V Shape WheelsMaterial: MetalColor: BlackFunction: 3D Printer AccessoriesScope of Application: Suitable for V Shape Material 3D PrinterOuter Diameter: Approx. 24mm / 0.9inInner Diameter: Approx. 5mm / 0.2inHeight: Approx. 11mm / 0.4inNet Weight: Approx. 13g / 0.5oz