Punch holes in mild steel, stainless steel, aluminum, brass, copper, fiberglass and plastics. The Dewalt 20V MAX* Hydraulic Knockout Tool Kit with 1/2 in. - 4 in. conduit size punches offers a fast efficient way to knockout holes in all types of electrical boxes. Sometimes referred to as a punchout tool.
Punches up to 10 gauge mild steel and 12 gauge stainless steel
Threadless draw stud connection allows punch and die setup without weight of the tool