External Hex, Internal Hex, Internal Torx
2-1/2 ", 25 mm, 26 mm, 1-5/16 ", 5/8 "
1/4, 3/8, 1-1/2, 3/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 8 mm, 7/8 in, 7/16 in
12-Point, 7-Point, 4-Point, 6-Point, 8-Point
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