Milwaukee M18 Cordless LITHIUM-ION 1 Handed HACKZALL features a dual gear anti-vibration system for improved comfort and control and its light weight design provides control and versatility. The powerful motor delivers 0-3,000 strokes per minute and a 3/4” stroke length allows for fast cutting through a wide range of material such as wood, metal and PVC. The dual gear anti-vibration system increases control and accuracy. The 2625-20 also features a QUIK-LOK blade clamp which offers fast and easy blade changes.