External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 25 mm, 15/16 ", 5/8 "
1/4, 1/2, 2-1/2, 3/8, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
5/8 in, 39 mm, 2-1/2 in, 17 mm, 13 mm
12-Point, 8-Point, 6-Point, 7-Point, 4-Point
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