External Hex, Internal Hex, Internal Torx, 6-Point
5/16 ", 30 mm, 1-1/8 ", 9/16 ", 5/8 "
1-1/2, 1/2, 1, 3/4, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
5 mm, 8 in, 1-1/8 in, 58 mm, 3/4 in, 9/16 in
External Torx, 8-Point, 4-Point, 7-Point, 12-Point
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