Linefinder illuminates your cut line for improved visibility and accuracy, SmartSelect dial lets you choose your project icon and the Jigsaw automatically adjusts the orbital setting and speed for your cut, cast shoe for improved accuracy and durability,magnetic blade storage for quick and easy access to blades, tool-free blade change provides fast, easy blade changing, accepts T and U blades. Specs: strokes/min 800-3,200SPM, 3/16" stroke length, keyless blade clamp. Includes: (1) wood cutting blade, (1)pen, (1) pen holder, (3) AAA batteries.