A ten piece extra long, hex key set containing popular metric sizes. Longer keys allow a greater amount of torque to be applied to the fastener. 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. Specifications: Metric Hex Keys: 2, 2.5, 3, 4, 5, 6, 7, 8, 10 and 12mm. Ball end and standard hex end. Longer keys allow greater torque to be applied. Made from CR-V. Black oxide coating for protection. Storage clip.