Gardner Bender four-point knockout punches and dies are designed to punch clean, round holes through 10-gauge mild steel, 12-gauge stainless steel or other soft metals up to .135 inches in thickness. Punches and dies are interchangeable, in any combination, with most brands of knockouts. This kit includes punch, die and drive screw to punch a hole diameter sufficient for 3/4 inch diameter pipe/conduit; actual hole diameter is 1.086 inches. Additional sizes available to specifically permit fast and easy installation of electrical conduit and pipe of nominal sizes 1/2" through 4", in all commonly available increments.
Slug-Out Individual Punch and Die. Four-point design allows slug to drop automatically without splitting. Superior quality at an affordable price