Powerful DEWALT fan cooled motor with replaceable brushes & variable speed delivers fast cutting action up to 3000 strokes per minute. Quick & easy patented key less blade change system accepts t-shank blades. Tool free adjustable shoe with anti-scratch cover bevels 45 degrees in both directions. 3-position orbital action controls the aggressiveness or smoothness of cuts. Patented anti-vibration counter-balance mechanism & rubber grip provide smooth operation. Dust blower keeps line of cut clear of chips. Lock-off switch for added user safety. Modular component design for trouble free servicing. Rubber coated grip to reduce surface vibration & user fatigue. * Bare Unit only. Use with your existing batteries & charger.