Variable speed motor delivers 0-3,300 strokes per minute combined with a 1/2" length stroke to provide faster cutting Exclusive dual-position on/off switch design allows for either paddle or trigger switch operation "Tool-less" blade change system allows for faster blade installation and removal for increased productivity; accepts both Recipro and Jig Saw blades Ergonomically designed handle with rubberized soft grip provides increased comfort Compact design at 14-3/4" long