Internal Hex, Internal Torx, External Hex
2-1/2 ", 1-5/16 ", 5/8 ", 1-3/8 ", 1-1/4 "
2-1/2, 1/2, 1, 3/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
11 mm, 36 mm, 8 in, 7/16 in, 2-15/16 in
External Torx, 6-Point, 8-Point, 7-Point, 4-Point
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