"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. Cutting Speed in. per min. 180, Volts 120, Head Swivel deg. 360, Strokes Per Minute SPM 2,500, Cordless No, Cutting Capacity Stainless Steel gauge 20, Cutting Capacity Steel gauge 18, Amps 6.8. Cuts round, square and irregular holes Trigger speed control Aluminum gear case and diaphragm"