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