Knockout Punch/Die, For 10 ga SS, 3-1/2 in, Greenlee, Mfr#: 745H-3-1/2

Knockout Punch and Die Kit, For Use With Tool Type Battery-Hydraulic, Manual-Hydraulic, Knockout Punch Component Included Punch, Die and Draw Stud, Material Application Aluminum, Brass, Copper, Fiberglass, Mild Steel, Plastics, Stainless Steel, Maximum Sheet Metal Capacity-Steel 10 ga, Nominal Hole Size 4 1/64 in, Slug Type Falls Free, Punch Shape Round, Number of Pieces 4, Includes Draw Stud Yes, Draw Stud Diameter 3/4 in, Draw Stud Length 5 1/2 in, Exact Hole Diameter 4 1/100 in