Pencil Grinder Medium Duty Horsepower 0.1 hp Collet Size 1/8 in Exhaust Location Front Max Speed 100 000 RPM Air Inlet 1/8 in NPT Air Inlet Connection Size 1/8 in Air Inlet Type NPT Kit Contents (1) Bare Tool Whip Hose I.D. 3/16 in Head Type Standard Head Brake Type None Anti-Kickback Clutch Type None Dust Management None Throttle Type Twist Bearing Type Ball