Internal Hex, Internal Torx, External Hex
5/16 ", 27 mm, 5.5 mm, 9 mm, 1-3/8 "
1/2, 2-1/2, 3/4, 3/8, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3 in, 30 mm, 8 in, 58 mm, 2-1/2 in
4-Point, External Torx, 7-Point, 8-Point, 6-Point
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