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