Internal Hex, Internal Torx, External Hex
7/16 ", 5.5 mm, 9 mm, 1-3/8 ", 5/8 "
1/2, 2-1/2, 1, 3/8, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
16 mm, 70 mm, 43 mm, 1-3/16 in, 2-15/16 in
4-Point, External Torx, 12-Point, 7-Point, 6-Point
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