Black & Decker Smart Select Technology automatically sets the jigsaw to optimize any cutting application. Variable speed dial provides 7-speed settings to match any cutting application. Accu-Bevel angle adjustment provides accurate bevel adjustment with quick action lever and indicator window. Tool-free blade change provides fast, easy blade changing. On board blade storage holds up to 3 blades and has a see-through door. Sightline Channel is an open channel design for better cut line visibility. 800 - 3000 strokes per minute with 3/4" stroke length. Accepts both T and U shank blades. 2 year warranty.