These ½" drive, 6-point deep sockets are hardened for strength and finished with a phosphate coating to resist corrosion. Hardened: Heat treated for durability. Overall Length: 78 mm (deep reach). 10 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 19 mm, 21 mm, 22 mm, 24 mm.
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