Internal Hex, Internal Torx, External Hex
11/16 ", 2-1/2 ", 4 mm, 25 mm, 1-3/8 "
1/2, 1/4, 3/4, 2-1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
15/16 in, 8 in, 17 mm, 2-7/16 in, 3-3/8 in
4-Point, External Torx, 7-Point, 12-Point, 6-Point
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