External Hex, Internal Hex, Internal Torx, External Torx
7/16 ", 2-1/2 ", 1/4 ", 9 mm, 1-3/8 "
3/8, 3/4, 2-1/2, 1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 1-1/4 in, 4-3/4 in, 15/16 in, 1-3/8 in
4-Point, 8-Point, 7-Point, 12-Point, 6-Point
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