Knockout Draw Stud For Use With Tool Type 3/4 in to 2 in Conduit Size Slug-Buster or Standard Round Knockouts Greenlee Quick Draw Manual-Hydraulic Knockout Punch Component Included Draw Stud Material Application Aluminum Brass Copper Fiberglass Mild Steel Plastics Stainless Steel Maximum Sheet Metal Capacity-Steel 12 ga Punch Shape Round Number of Pieces 1 Includes Draw Stud Yes Draw Stud Diameter 3/4 in Draw Stud Length 4 3/4 in Finish Steel Series Knockout Draw Stud