Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 5/16 ", 9 mm, 5/8 "
3/4, 2-1/2, 1-1/2, 1/2, 1/4
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
15/16 in, 8 in, 13/16 in, 4-1/16 in, 2-15/16 in
6-Point, 12-Point, 4-Point, 8-Point, 7-Point
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