Replacement Hole Punch - Punches 3-1/2"Replacement Hole Punch - Punches 3-1/2" features include: Order Die Seperately Capacity: Mild Steel up through 3/16"(10 gauge) Application: Punch mild Steel, Aluminum, Fiberglass amp; Plastic Operation: Battery, Hydraulic, Ratchet or Manual drivers 40 CR Carbon Steel Punches amp; Dies 40 CR Carbon Steel Punches 3-1/2" Punches (and Die) Splits slug as Hole is Cut for Fast Easy Removal of Slug Order Qty of 1 = 1 Piece Below is more info on our Replacement Hole Punches 3-1/2"