Internal Hex, Internal Torx, External Hex
5/16 ", 9 mm, 25 mm, 5/8 ", 7/8 "
2-1/2, 1-1/2, 3/4, 1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
1-15/16 in, 34 mm, 8 in, 13/16 in, 5/16 in
External Torx, 8-Point, 4-Point, 7-Point, 12-Point
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