Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 5/16 ", 1-1/8 ", 9/16 "
1/4, 1/2, 1-1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 58 mm, 39 mm, 2-1/2 in
4-Point, External Torx, 12-Point, 7-Point, 6-Point
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