Cleco® Pneumatic Die Grinder, Right Angle, Tool/Kit: Bare Tool, Series: 10LF, 1/4 in Collet, 1 in For Maximum Wheel Diameter, 20000 rpm, 0.4 hp, 23 cfm, 90 psi Air, 1/4 in Air Inlet, Rear Exhaust Location, Locking Lever Throttle, 1/4 in Minimum Hose Size, Aluminum Housing, Ergonomic, 82 dBA, 6.6 in L