Chrome vanadium steel hardened and tempered with sandblasted finish. in plastic holder. Features and Benefits • Contents: cupped nailset and centre punch, both with tip diameters of 3mm and 5/16" parallel pin punch • Chrome vanadium steel hardened and tempered with sandblasted finish Contents 1x Cupped nailset 3mm 1x Centre punch 3mm 1x Parallel pin punch 5/16"