Kit includes six different size knockout punches and dies, two draw studs and ratcheting box end wrench. • Cutting capacity 10 gauge mild steel; also cuts aluminum, fiberglass and plastic. • Splits slugs for easy removal. • Set includes 1" (25 mm) ratcheting wrench, knockout punches, dies and draw studs for 1/2", 3/4", 1", 1-1/4", 1-1/2" and 2" (13 mm, 19 mm, 25 mm, 32 mm, 38 mm and 51 mm) conduit sizes. • Hole sizes range from .89" – 2.42" ((22 mm – 62 mm).