A thirteen piece hex key set containing popular metric sizes. Each key has a standard hex end on the short side and a ball end on the long side. The ball end enables the key to be used at up to a 30° angle. The keys are manufactured from CR-V (chrome vanadium steel) and black oxide coated for protection. • Metric Hex Keys: 1.27, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 8 and 10mm • Ball end and standard hex end • CR-V • Black oxide coating for protection • Storage clip