Master Palm® Pneumatic.

Industrial Series Side Handle 5"Right Angle Grinder Free Speed:11000 Rpm *Grinding Wheel x 1 Included Specification Noise Rating 92 dBA Horse Power: 1 hp 0.75kw Pneumatic Air Pressure: 90 psi 6.21 bar Free Speed: 11000 RPM Hose Size: 3/8 " 9.52 mm Disc Size: 5" 127 mm Tool Length: 9.13 " 232 mm Angle Height: 2.41 " 61.2 mm Exhau Master Palm 5-in Industrial Angle Grinder with side Handle, 1 Horsepower, 11000RPM