This Gardner Bender 4-point knockout set is engineered to punch clean, round holes through 10-gauge mild steel and 12-gauge stainless steel. The interchangeable punch and die design ensures compatibility with most major brands, providing a professional finish for electrical conduit installation.
This Gardner Bender 4-point knockout set is engineered to punch clean, round holes through 10-gauge mild steel and 12-gauge stainless steel. The interchangeable punch and die design ensures compatibility with most major brands, providing a professional finish for electrical conduit installation.
4-point punch design allows the slug to fall free without splitting, tapping, or prying
Interchangeable with most major knockout tool brands
Capable of punching 10-gauge mild steel and 12-gauge stainless steel up to 0.135 in. thickness
Designed for 2.5 in. nominal pipe or conduit with an actual hole diameter of 2.915 in.
