This tool features a lock off throttle for protection against accidental start ups and an adjustable guide offers flexibility in setting depth of cut. Rear exhaust directs air away from the work area, while an ergonomic design increases comfort and handling. This tool offers the lowest vibration on the market. Strokes per minute: 10,000; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 92; length: 8.5"; weight: 1.3 lbs.