Slug-Out set with ratchet wrench 1/2 to 2 in. Conduit size. Kit includes one each 1/2, 3/4, 1, 1-1/4, 1-1/2 and 2 in. Punches and dies, KW52 hand ratchet wrench and two bearing and drive screws all packaged in a rugged storage case. Gardner Bender 4-point knockout punches and dies are designed to punch clean, round holes through mild steel or other soft metals. The 4-point design allows slug to drop automatically without splitting. Punches up to 10 ga mild steel and 12 ga stainless steel.