External Hex, Internal Hex, Internal Torx
9 mm, 15/16 ", 1-3/8 ", 5/8 ", 1-1/4 "
3/8, 1/2, 2-1/2, 1, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 58 mm, 1-3/16 in, 39 mm, 7/16 in
External Torx, 12-Point, 4-Point, 7-Point, 6-Point
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