Internal Hex, Internal Torx, External Hex
5/16 ", 26 mm, 5.5 mm, 5/8 ", 1-3/8 "
2-1/2, 3/4, 1-1/2, 1/4, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
23 mm, 2-11/16 in, E7, 8 in, 4-3/4 in
12-Point, External Torx, 4-Point, 7-Point, 6-Point
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