External Hex, Internal Hex, Internal Torx
4 mm, 9 mm, 9/16 ", 1-3/8 ", 1-1/4 "
2-1/2, 1/2, 1-1/2, 3/8, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
5 mm, 8 in, 43 mm, 3/4 in, 9/16 in, 7/8 in
8-Point, External Torx, 12-Point, 4-Point, 7-Point
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