Internal Hex, Internal Torx, External Hex
5/16 ", 1-5/16 ", 5.5 mm, 1-3/8 ", 5/8 "
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-11/16 in, 15/16 in, 8 in, 3/4 in, 9/16 in, 39 mm
8-Point, 12-Point, 6-Point, External Torx, 7-Point
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