Internal Hex, Internal Torx, External Hex
2-1/2 ", 5/16 ", 26 mm, 1-5/16 ", 5/8 "
3/8, 1, 2-1/2, 1-1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 1-1/8 in, 8 in, 58 mm, 15/16 in
6-Point, 12-Point, 8-Point, 7-Point, 4-Point
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