Knockout Draw Stud For Use With Tool Type 2 1/2 in to 6 in Conduit Size Standard Round Knockouts Wrench (2 in) 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 1 1/8 in Draw Stud Length 8 3/8 in Finish Steel Series Knockout Draw Stud