Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 1-1/8 ", 5/8 ", 5.5 mm
2-1/2, 3/8, 1-1/2, 1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
2-11/16 in, 1-7/16 in, 8 in, 70 mm, 4-1/8 in
7-Point, 12-Point, 8-Point, 6-Point, 4-Point
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