External Hex, Internal Hex, Internal Torx
4 mm, 26 mm, 1-1/8 ", 1-5/16 ", 15/16 "
3/8, 1/4, 2-1/2, 3/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-3/4 in, 3-9/16 in, 8 in, 4-3/4 in, 2-1/2 in
7-Point, 6-Point, 8-Point, 12-Point, 4-Point
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