DescriptionFree Speed: 20,000rpmCollet Size: 1/4″Length: 174 mmVibration Level m/s2: 2.5Noise Level dBA: 87Average CFM: 4Weight Kg: 0.61 Professional quality air die grinder for polishing and grinding metal components such as cylinder valves, valve ports and small industrial components. This high performance air tool from Standard Power emits low noise and vibration levels to prevent user fatigue whilst operating the grinder. The die grinder is built with top quality components to allow heavy duty use and prolong the service life of the tool. The product also features a safety lever to stop accidental operation of the tool.