Northern Industrial Air Die Grinder — 1/4in. Inlet, 3 CFM, 22,000 RPM, 90 PSI

Ideal for many automotive and industrial high-speed grinding applications. It can be used to clean dies, rotors, backing plates and brake pad mounts, or to grind valve seats, dress welds and enlarge holes. Features a spindle concentricity of less than .05mm, a power/speed regulator for easy RPM adjustment and a twin-bearing spindle to reduce vibration. Durable, lightweight composite housing design also helps reduce vibration. Can be used with 1/4in. or 1/8in. grinding accessories.