This hex key set has a width of 7½ inch, a height of 1½ inch, and a length of 6 57/64 inches and is insulated. The plastic handle is red. It meets the standards for ASTM F-1505-10, CSA, DIN 7437, EN/IEC 60900, NFPA70E, OSHA 29 CFR1910, VDE 0682/Part 201. In addition, it is made of steel, has a SAE measurement type, is corrosion-resistant, has a black oxide finish, plus it is not non-sparking, is non-magnetic, and is not tether ready with a moulded grip. This hex key set includes six pieces.