Internal Hex, Internal Torx, External Hex
2-1/2 ", 5/16 ", 18 mm, 5/8 ", 15/16 "
1/2, 1/4, 1-1/2, 3/4, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
58 mm, 8 mm, 7/8 in, 39 mm, 24 mm
4-Point, External Torx, 12-Point, 7-Point, 6-Point
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