External Hex, Internal Hex, Internal Torx
2-1/2 ", 5/16 ", 5.5 mm, 1-3/8 ", 5/8 "
1, 1-1/2, 2-1/2, 3/8, 3/4
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
56 mm, 36 mm, 3/8 in, 1-5/16 in, 8 in
External Torx, 4-Point, 7-Point, 12-Point, 6-Point
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