External Hex, Internal Hex, Internal Torx
2-1/2 ", 5/16 ", 5.5 mm, 5/8 ", 7/8 "
3/4, 1, 2-1/2, 1/2, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
11 mm, 3/4 in, 9/16 in, 39 mm, 13/16 in, 1-3/8 in
7-Point, 12-Point, 8-Point, 6-Point, 4-Point
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