Sealey 14 piece metal punch set sealey ak9821 heavy duty drop forged and heat treated steel punch body with compound lever action suitable for precision punching of holes in steel aluminium brass copper and plastic fitted with gauge for depth adjustment up to 50mm suitable for materials up to 14 gauge punches and dies hardened to 55 60 hrc supplied in carry case sealey ak9821 metal punch set 14pc