Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-3/8 ", 7/8 ", 1-1/4 "
3/4, 3/8, 1/2, 2-1/2, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
16 mm, 58 mm, 2-7/16 in, 13 mm, 11/16 in
External Torx, 8-Point, 7-Point, 4-Point, 6-Point
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