"DEWALT Versa-Clutch screwdriver features a powerful 6.5 Amp motor and enough torque for a number of heavy-duty industrial applications. Versa-Clutch torque adjustment system lets you dial in the proper torque for your particular fastener. Ideal for roofing applications, fastening TEKS screws with sealed washers, metal-to-metal and metal-to-wood fastening, steel stud framing up to 14 gauge and any screwdriving application where torque sensitivity is required. Cordless No, Rated RPM 0-2,000, Belt Clip Included Yes, Torque in./lbs. 164, Amps 6.5, Variable Speed Yes. Versa-Clutch torque adjustment system to 'dial' the proper torque needed to efficiently drive fasteners without stripping or breaking fastener #14 max. fastener size Helical-cut steel, heat-treated gears for long life and durability High power motor for metal fastening applications Metal nose and gear housing for increased durability Rubber grip and two-finger trigger for increased comfort Excellent ergonomics"