The handheld, fully cordless Excalibur Metal Shear cutters from Garage Equipment Supply slice through sheet metal and stainless steel at speeds up to 12 in./sec. This heavy-duty powertool also features top-of-the-line nickel-hydride batteries and patented cutting-heads. The Excalibur can slice through 16-gauge steel, and aluminum up to 2.0 mm thick.