External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 9 mm, 26 mm, 16 mm, 5/8 "
2-1/2, 3/4, 1/2, 3/8, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
13/16 in, 2-1/2 in, 1-1/4 in, 35 mm, 2-15/16 in
6-Point, 4-Point, 7-Point, 8-Point, 12-Point
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