External Hex, Internal Hex, Internal Torx
6 mm, 9 mm, 5.5 mm, 5/8 ", 1-3/8 "
2-1/2, 3/4, 1-1/2, 1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 28 mm, 8 mm, 4-3/4 in, 11/16 in
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
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