External Hex, Internal Hex, Internal Torx
6 mm, 8 mm, 26 mm, 1-1/8 ", 15/16 "
2-1/2, 3/8, 3/4, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
7/16 in, 33 mm, 5/8 in, 4-3/4 in, 2-1/2 in
12-Point, 6-Point, 7-Point, 4-Point, 8-Point
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