Milwaukee. The Hackzall M18 cordless one-handed recip saw is the newest product in the M18 Lithium-Ion product line. Giving users the ability to make clean cuts while working overhead or in tight spaces, the Hackzall Recip Saw features a dual-gear anti-vibration to achieve the lowest vibration level among 18-volt reciprocating saws, the maker says. A powerful motor delivers 3,000 strokes per minute, and a 3/4-inch stroke length is suitable for wood, metal, and PVC. Weighing 4.1 pounds, the tool is compatible with both the M18 high-capacity and compact lithium-ion batteries, and features a Quik-Lok blade clamp for fast, tool-free blade changes. 800.729.3878.