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