From single parts to complete kits, Gardner Bender has versatile, durable hole-making products that contractors depend on. If you need to knockout, punch, notch, drill or insulate, Gardner Bender has the right tool for the job. This drive screw and nut is for use with 2.5 in. and 3 in. punch and die.

• Gardner Bender 4-point knockout punches and dies are designed to punch clean, round holes
• 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