Internal Hex, Internal Torx, External Hex
5/16 ", 9/16 ", 5.5 mm, 15/16 ", 1-1/4 "
3/4, 1-1/2, 1/2, 3/8, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 4-1/8 in, 43 mm, 4-3/4 in, 11/16 in
External Torx, 8-Point, 4-Point, 7-Point, 6-Point
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