Trigger speed control for easy and quick speed adjustment, all ball and roller bearings,counter balance mechanism for smooth, vibration free operation,Quik-Lok blade clamp system for fast blade changes, uses standard 1/2 in tang reciprocating saw blades, blades may be clamped upside down, keyless adjustable shoe and gear protecting clutch, cushion grip and rubber boot for superior gripping, 6-position pivoting handle, fits between 16 in on center studs and between rafters and joists. Specs: 120V/AC, 3/4 in stroke length, 0-3,000SPM, trigger switch, keyless blade clamp. 10 ft Quik-Lok cord. 13-1/2 in x 19-1/2 in tool length. weighs 6.7lbs. Includes: (2) super sawzall blades, carrying case.