Specification: 1.Selective double cutting heads 2.Cutting Heads Adjust 360 degrees for any application 3.Power Source- electric or pneumatic drill with speed of 1,500 to 3,000 RPM (if you need,we have the special electric cutting machine with double-headed cutter to satisfy you) 4.Cuts corrugated, Round or Flat Stock 5.Cuts any shape to 1/2" Radius 6.Maximum cutting thickness: Steel plate:1.8mm Stainless steel:1.2mm Copper plate or aluminium plate:2mm Plastic board or fiber board:2mm 7.No Distortion No Sparks 8.Priced at hundreds less than comparable (one-headed) products