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