Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-5/16 ", 9/16 ", 1-3/8 "
1/2, 1-1/2, 2-1/2, 3/8, 3/4
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
4-3/4 in, 39 mm, 1-1/4 in, 2-15/16 in, 3-3/8 in
4-Point, External Torx, 12-Point, 7-Point, 6-Point
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