Pencil Grinder Medium Duty Horsepower 0.1 hp Collet Size 1/8 in Exhaust Location Rear Max Speed 60 000 RPM Collet Guard Type None Air Inlet 1/4 in NPT Air Inlet Connection Size 1/4 in Air Inlet Type NPT Kit Contents (1) Bare Tool Whip Hose I.D. 1/4 in Head Type Standard Head Brake Type None Anti-Kickback Clutch Type None Dust Management None Vibration Level 2.5 m/sq sec Throttle Type Twist Bearing Type Ball Grip Style Barrel Grip