Internal Hex, Internal Torx, External Hex
2-1/4 ", 5/8 ", 2-1/2 ", 5/16 ", 15/16 "
2-1/2, 3/4, 3/8, 1/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-3/4 in, 39 mm, 7/8 in, 26 mm, 2-7/16 in
8-Point, 12-Point, 7-Point, 6-Point, 4-Point
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