External Hex, Internal Hex, Internal Torx
2-1/2 ", 25 mm, 1-5/16 ", 5.5 mm, 5/8 "
1, 1-1/2, 3/8, 2-1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 43 mm, 39 mm, 2-7/16 in, 3-3/8 in
8-Point, 6-Point, 7-Point, 12-Point, 4-Point
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