Gardner Bender 4-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 0.135 in. 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 2 in. Dia pipe/conduit; actual hole diameter is 2.915 in. Additional sizes available to specifically permit fast and easy installation of electrical conduit and pipe of nominal sizes 1/2 in. through 4 in.， in all commonly available increments.

4-point punch design allows slug to fall free from the die without splitting， tapping or prying

Interchangeable with most tool brands

Punches 10-Gauge mild and 12-Gauge stainless steel

Punches hole designed for 2 in. pipe or conduit

Actual hole diameter 2.413 in.

Set includes punch， die and drive screw