The Air Angle Grinder is designed for cleaning, smoothing welds and castings. As well as being low vibration and noise, it also has a governor mechanism and forward-facing exhausts. Specification: 11,000/rpm speed capacity. 8.0CFM average air consumption. 90.0psi (6.3 bar) operating pressure. Ideal for cleaning, castings & smoothing welds. Forward-facing exhausts, protects body & deflects sparks. Side-mounted handle, for easy control & stability. Comes with governor mechanism. Low vibration and low noise.