Milwaukee's 11 amp Sawzall® Reciprocating Saw is the most durable reciprocating saw on the market, and at only 7 pounds, it offers the best power to weight ratio in its class. The saw offers a 0-2800 strokes per minute variable speed trigger with 3/4 in. stroke length and a QUIK-LOKā¢ blade clamp for fast, tool-less blade changes