The Sealey AK9821 Metal Punch Set is suitable for materials up to 14 gauge  The Sealey AK9821 is a 14 Piece Metal Punch Set Suitable for precision punching of holes in steel, aluminium, brass, copper and plastic. Heavy-duty drop-forged and heat-treated steel punch body with compound lever action. Punches and dies hardened to 55-60 HRC. Features:   Suitable for materials up to 14 gauge  Punches and dies hardened to 55-60 HRC   Fitted with gauge for depth adjustment up to 50mm  Suitable for precision punching of holes in steel, aluminium, brass, copper and plastic  Heavy-duty drop-forged and heat-treated steel punch body with compound lever action  Comes With:   Robust Carry case  Metal Punches: 3/32\", 1/8\", 5/32\", 3/16\", 7/32\", 1/4\", 9/32\"  Specification:  Model No: AK9821