External Hex, Internal Hex, Internal Torx
7/32 ", 2-1/2 ", 11 mm, 5/8 ", 1-3/8 "
1/2, 1, 1-1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
17 mm, 13 mm, 2-7/16 in, 15/16 in, 2-15/16 in
7-Point, 4-Point, 12-Point, 8-Point, 6-Point
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