External Hex, Internal Hex, Internal Torx
5/16 ", 26 mm, 30 mm, 5.5 mm, 15/16 "
1/2, 1/4, 1-1/2, 3/8, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/8 in, 8 mm, 5/8 in, 3/4 in, 9/16 in, 1-1/2 in
External Torx, 4-Point, 8-Point, 7-Point, 12-Point
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