Powerful 701 watt motor with variable speed delivers fast cutting action up to 3100 strokes per minute quick and easy patented keyless blade change system accepts t shank blades tool free adjustable shoe with anti scratch cover bevels to 45 degrees in both directions3 position orbital action controls the aggressiveness or smoothness of cuts dust blower keeps line of cut clear of chips tapered saw blade roller to control blade deflection at maximum depth of cut includes 1 high performance jigsaw