The Milwaukee 2420-21 M12 REDLITHIUM Cordless HACKZALL Reciprocating Saw Kit includes: (1) M12 REDLITHIUM Battery, (2) HACKZALL TM Blades (1) M12 charger and (1) Contractor Bag for powerful cutting on the go. The saw's variable 0 - 3000 strokes per minute (SPM) helps you make fast, precise cuts through a wide range of materials, including drywall, wood and PVC and at 11 in. and 2.6 lbs. its compact and lightweight design gives you control and versatility in tight spaces. The variable speed trigger helps you achieve a controlled cut, while the QUIK-LOK blade clamp offers fast and easy blade changes. Cordless tools powered by REDLITHIUM batteries deliver more torque, more power and longer run time than the competition.