Item Type: Pneumatic Mill_x005F_x000D_Material: Zinc Alloy_x005F_x000D_Model: YDE-4924_x005F_x000D_Collet Size: Approx.1/4in / 6mm or 1/8in / 3mm_x005F_x000D_No load Speed: 25000rpm_x005F_x000D_Air Pressure: 90psi 6.3kg/cm2_x005F_x000D_Air Consumption: 4.0cfm_x005F_x000D_Air Inlet: Approx.1/4in / 6mm_x005F_x000D_Overall Length: Approx.150mm / 5.9in 1EASY TO GRIP: This industrial grade pneumatic wind mill is small in size and light in weight, and the handle is wrapped in a red protective sleeve, so you won't feel tired when you hold it for a long time. 2QUIET: The air die grinder is equipped with a muffler device, which has little vibration and noise during operation, and can provide users with a quiet working environment. 3LONG SERVICE LIFE: Zinc alloy material has wear resistance and corrosion resistance, and the pneumatic air mill made of it is durable. 4FAST SPEED: The rotating speed of the pneumatic air mill can up to 25000rpm, the grinding speed is fast and the efficiency is high, which can shorten the working time for you. 5WIDE APPLICATION: The pneumatic mill is suitable for local grinding of focal areas, removing solder joints and rust spots on metal, and burrs on furniture, and can also be used for making molds, car polishing and detailing.1 x Host 1 x Air Inlet Interface 2 x Spanner