General description US PRO AIR CUT OFF TOOL is a professional quality utility air grinder designed for cutting tasks. It features a durable lightweight aluminum casing and a 180-degree stainless steel guard for enhanced safety. The tool includes a safety trigger for added protection during operation. Technical specifications Free speed: 20,000 RPM Capacity: 3" (76.2 mm) Air Inlet: 1/4" NPT or BSP Average Air Consumption: 5.5 CFM Working pressure: 90 Psi (6.2 Bar) Length: 190 mm