Ideal for nibbling plastic, tin, aluminum and other metals up to 18-gauge rolled steel. Accurately cuts 4.5mm in radius without distorted edges. Key Product Specs Air Consumption (CFM) 3 Cuts Per Minute (CPM) 2,600 Cutting Radius 4.5mm Cutting Capacity Steel (gauge) 18 Cutting Capacity Aluminum (gauge) 18 Cutting Capacity Sheet Metal (gauge) 18 Variable Speed Yes Air Inlet Size (in. NPT) 1/4 Min. Hose Size (in.) 3/8 Case Included No Additional Product Specs * Adjustable exhaust vent