Twist lock tool-free blade change. variable-speed trigger maintains speed for multiple cutting tasks. pivoting shoe easily maneuvers around objects while cutting. tooled shoe adjustment easily allows depth adjustment and extends blade life. compact and lightweight design prevents user fatigue. specifications are 120 v and 3200 spm. keyless blade clamp, adjustable shoe, variable-speed trigger, anti-slip comfort grip, weighs 6.8 pounds includes wood cutting blade.