Open & bi-hexagonal ends with 15° offset for greater access. Hardened and tempered, drop-forged chrome vanadium. Satin handles with fully polished heads. Supplied with storage rack. Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19mm. Open & bi-hexagonal ends with 15° offset for greater access. Hardened and tempered, drop-forged chrome vanadium. Satin handles with fully polished heads. Supplied with storage rack. Sizes: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19mm.