"The swivel head design is designed with comfort in mind. With its variable speed, it handles a variety of jobs. It uses a three-blade cutter design to give consistent cuts in a variety of materials. Strokes Per Minute SPM 2,500, Head Swivel deg. 360, Amps 6.8, Cutting Speed in. per min. 180, Cutting Capacity Stainless Steel gauge 20, Cordless No, Cutting Capacity Steel gauge 18, Volts 120. Cuts round, square and irregular holes Trigger speed control Aluminum gear case and diaphragm"