M12 12-Volt Lithium-Ion HACKZALL Cordless Reciprocating Saw with Free 4.0 Ah M12 BatteryAt only 11 and 2. 6 lbs. the Hackzall M12 Cordless LITHIUM ION Recip Saw features a compact and light weight design for superior control and versatility in tight spaces. A powerful motor delivers 0 to 3,000 strokes per minute and a 1 2 stroke length allows for fast cutting through a wide range of material such as drywall, wood and PVC. The variable speed trigger allows for a controlled cut while a QUIK LOK blade clamp offers fast and easy blade