External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 7/16 ", 1-5/16 ", 15/16 "
2-1/2, 3/4, 1, 1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
33 mm, 8 in, 13 mm, 70 mm, 1-3/8 in
4-Point, 12-Point, 6-Point, External Torx, 7-Point
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