DESC: Super duty reciprocating air saw ideal for body, exhaust and muffler work Cuts quickly through up to 16-gauge aluminum, plastic, fiberglass, wood, and sheet metal Lock off throttle for protection against accidental start ups; adjustable guide offers flexibility in setting depth of cut Includes 5 18T, 28T, 32T replacement saw blades in carrying case Delivers 10,000 strokes per minute, Manufacturer: Chicago Pneumatic