External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 26 mm, 15/16 ", 11 mm, 7/8 "
1-1/2, 1/4, 3/8, 2-1/2, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 3-9/16 in, 30 mm, 8 in, 17 mm
8-Point, 6-Point, 12-Point, 4-Point, 7-Point
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