High tensile steel BZP hex-head bolts. Includes sizes: M5 x 12, M5 x 20, M6 x 30, M6 x 40, M6 x 50, M8 x 30, M8 x 50, M8 x 60, M10 x 30, M10 x 60 and M10 x 70mm. Handy storage case with compartments.