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