Knockout Die For Use With Tool Type Knockout Tools Knockout Punch Component Included Die Material Application Mild Steel Stainless Steel Maximum Sheet Metal Capacity-Steel 12 ga Nominal Hole Size 4 35/64 in Slug Type Splitting Punch Shape Round Number of Pieces 1 Includes Draw Stud No Exact Hole Diameter 4 16/25 in Inside Die Depth 1 1/4 in Series Exact