External Hex, Internal Hex, Internal Torx
1-5/16 ", 5.5 mm, 5/8 ", 1 ", 1-3/8 "
1/2, 1, 2-1/2, 3/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 2-7/16 in, 15/16 in, 17 mm
External Torx, 6-Point, 8-Point, 7-Point, 4-Point
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