Internal Hex, Internal Torx, External Hex
7/16 ", 5/16 ", 5.5 mm, 5/8 ", 7/8 "
3/8, 3/4, 1-1/2, 1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 58 mm, 17 mm, 2-1/2 in, 2-15/16 in
6-Point, 4-Point, External Torx, 7-Point, 8-Point
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