External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
11/16 ", 2-1/2 ", 4 mm, 1-5/16 ", 1-3/8 "
2-1/2, 1, 1-1/2, 3/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 39 mm, 1-1/4 in, 5/16 in
4-Point, 8-Point, 12-Point, 7-Point
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