Greenlee 1/2In Conduit Size Knockout Die

Knock Out Die, Knockout Die, Hole Size Nominal 0.5 in, Hole Size (In.) 89/100 in, Conduit and Pipe Size (In.) 1/2 in, Max. Capacity Mild Steel (Ga.) 10 ga, Alignment Markings, Laser Marking, Optimized for Widest Range of Materials and Drivers, For punching holes in mild steel, stainless steel, brass, copper, aluminum, fiberglass and plastics, Use With Greenlee battery-hydraulic knockout drivers, manual-hydraulic knockout drivers, or ratchet wrench.