JS515/JS500B VS JIGSAW B&D Q-CLP | Electronic variable speed and variable-speed trigger cuts wood, metal and plastics, tool-free blade change accepts both U- and T-shank blades, sightline channel improves visibility of cut line, on board blade storage quickly access stored blades, beveling shoe allows for angled cuts in both directions. Rated at 0 to 3000 spm, stroke length is 11/16 in, keyless blade clamp. Includes one wood cutting blade.