Clean Cut: 3/8" (10 mm) @110V, 5/8" (16 mm) @220V; Max Cut: 1/2" (12 mm) @110V, 3/4" (20 mm) @220V. Capable of cutting mild steel, stainless steel, aluminum, copper, and more. Rest assured, the product inside is the correct Plasma Cutter, with full functionality and specifications as described.