Gardner Bender offers a complete range in various knockout sets. The four-point knockout punches and dies are designed to punch clean, round holes through mild steel or other soft metals. Sizes are available to specifically permit fast and easy installation of electrical conduit and pipe in all commonly available increments. Gardner Bender dies are interchangeable, in any combination, with most brands of knockouts. Wheter you need an entire knockout set, or you're looking for a replacement part for an set you own, Gardner Bender has versatile, durable hole-making products that contractors depend on and ask for by name.

• Interchangeable design allows you to select a 7/8 (22.2mm) or 1 11/32 inch. (34.1mm) size punch
• Features spring loaded sleeve that increases the life and accuracy of the punch while providing a smoother cutting action.
• Easily punches 'H' studs without damaging flanges.
• Automatic stripper.
• High-leverage design permits punching holes in aluminum studs and mild steel with minumum effort.
• Color: Red