Air Die Grinder Angle Free Speed 12 000 rpm HP 0.5 HP Collet 1/4 In. Exhaust Rear Variable Speed No Grinder Type Right Angle CFM @ Full Load 17.0 Average CFM @ 15 Second Run Time 8.50 Handle Material Composite Min Hose Size 5/16 In. Overall Length 8-1/2 In. Right Angle Length 3 In. Reach 1-13/64 In. Required Pressure 90 psi Air Inlet 1/4 in NPT Throttle Safety Lever Characteristics High Performance Streamlined Safety Lever Highly Durable Bevel Gear