Knockout Draw Stud, For Use With Tool Type Greenlee Battery-Hydraulic, Greenlee Manual-Hydraulic 746 or 746A Ram, Legacy 1/2 in Conduit Size Slug-Buster or Standard Round Knockouts, Knockout Punch Component Included Draw Stud, Material Application Aluminum, Brass, Copper, Fiberglass, Mild Steel, Plastic, Maximum Sheet Metal Capacity-Steel 10 ga, Punch Shape Round, Number of Pieces 1, Includes Draw Stud Yes, Draw Stud Diameter 3/8 in, Draw Stud Length 4 3/4 in, Finish Steel