General description US PRO AIR ANGLE GRINDER is a heavy-duty 5" (125mm) air angle grinder designed for professional use. It comes with a 1-year warranty and is ideal for various cutting and grinding tasks. Technical specifications Free Speed: 10,000 RPM Average Air Consumption: 6 CFM Air Pressure: 90 PSI Bore: 22.2mm Connection: 1/4" BSP Angle: 90 degrees Overall Length: 228mm Weight: 1.9 kg Includes: 5" x 1/2" x 7/8" grinding disc