Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-5/16 ", 5.5 mm, 15/16 "
1-1/2, 1, 2-1/2, 3/4, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 58 mm, 13/16 in, 15/16 in, 2-15/16 in
8-Point, External Torx, 4-Point, 6-Point, 7-Point
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