Rugged, energy-efficient 1/2 hp motor. Adjustable power regulator for precise control. Lock off throttle to prevent accidental start ups. Square handle design for positive grip. Excellent for cleaning tire moldings, porting and relieving engines, and general high-speed polishing and grinding Built-in regulator matches speed to job. Rear exhaust directs air away from work. Complete with 1/4" and 6mm collet. Free speed: 24,000 rpm, air consumption: 5.25 CFM, Air inlet thread: 1/4" NPTF, minimum hose size: 3/8 in., sound dBA pressure: 93, length: 5.75, weight: 1.25 lb.