Punch and Bead a 1.5 inch hole without a press. All that is needed to create a hole and flare is a 1/2 inch pilot hole and a 3/4 inch wrench . An easy process that can be done on a vehicle, on the work bench or on the job site.Handles up to 16 gauge (1.6mm) mild steel, 19 gauge (1mm) stainless..