Powerful DEWALT fan cooled motor with replaceable brushes & variable speed delivers fast cutting action up to 3, 000 strokes per minute & 28.6 mm stroke length. High performance reciprocating mechanism & lightweight magnesium gear case offer the user optimized power to weight ratio. Variable speed trigger, lock-off switch & electronic motor brake for quick controlled cuts & enhanced work safety. Lever-action key less blade clamp for quick & easy blade changes. Modular component design for trouble free servicing. Rubber coated grip to reduce surface vibration & user fatigue. 4-position blade clamp allows for flush cutting & increased versatility. Pivoting adjustable shoe with open top for high stability & blade visibility during the cut. * Bare Unit only. Use with your existing batteries & charger.