Internal Hex, Internal Torx, External Hex
5/8 ", 9 mm, 15/16 ", 1-3/8 ", 1-1/4 "
3/8, 1/4, 1-1/2, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 1-1/4 in, 3/4 in, 9/16 in, 39 mm
4-Point, 7-Point, 6-Point, 12-Point, 8-Point
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