External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 25 mm, 5/8 ", 27 mm, 9 mm
1-1/2, 3/4, 2-1/2, 1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 3/4 in, 9/16 in, 4-3/4 in, 2-7/16 in, 1-1/2 in
4-Point, 12-Point, 6-Point, 8-Point, 7-Point
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