Description Universal Air Tools Die Grinder c/w 8mm Collet Model number: UT5721-8MM Details Product Noise (dBA) 93 Product Vibration Level(m/sec2) 3 Product Speed (RPM) 20000 Product Motor (HP) 0.5 Product Avg. Air Con (CFM) 4 Product Air Inlet (in) 1/4 bsp