Chicago Pneumatic 7901 Super-Duty Reduced Vibration Air Reciprocating Saw - All the power and features of the 7900 plus a floating motor provides the lowest vibration on the market. Power at 10,000 strokes per minute allows you to quickly cut through materials with ease. Lock off throttle for protection against accidental start ups. Adjustable guide offers flexibility in setting depth of cut. Rear exhaust directs air away from work area. Ergonomic design for comfort and easy handling.