Product Description M12 HACKZALL KIT W/1 BAT. The product is easy to use. The product is durable. The product is shipped in bulk packaging. From the Manufacturer At only 11-Inch and 2.6 lbs, the Hackzall M12 Cordless Recip Saw features a compact and light weight design for superior control and versatility in tight spaces. A powerful motor delivers 0-3,000 strokes per minute and a 1/2-Inch 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 changes.