External Hex, Internal Hex, Internal Torx
9/32 ", 9 mm, 2-1/2 ", 5/8 ", 27 mm
2-1/2, 1, 1-1/2, 1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/16 in, 4-1/8 in, 39 mm, 2-1/2 in, 26 mm
12-Point, 8-Point, 6-Point, 7-Point, 4-Point
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