Milwaukee EXACT 2-1/2 to 4 Knockout Set
Knockout Punch Set, For Use With Tool Type Hydraulic, Maximum Sheet Metal Capacity-Steel 10 ga, Includes Ratchet No, Material Application Mild Steel, Stainless Steel, Slug Type Splitter, Number of Punch/Dies Sets 9, Knockout Sizes Included 2 1/2 in, 3 in, 3 1/2 in, 4 in, Nominal Hole Size 4 in, Punch Shape Circle, Includes 1 1/8 in Draw Stud, Carrying Case, EXACT(TM) 2 1/2 in to 4 in Conduit Punches and Dies.