Knockout Punch Kit For Use With Tool Type Ratchet Manual Hydraulic Maximum Sheet Metal Capacity-Steel 10 ga Includes Ratchet No Material Application Aluminum Brass Copper Fiberglass Mild Steel Plastic Stainless Steel Slug Type Falls Free Number of Punch/Dies Sets 2 Knockout Sizes Included 1 1/2 in 2 in Nominal Hole Size 1 15/16 in 2 13/32 in Punch Shape Round Includes Knockouts Drawstud and Case