Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 5/8 ", 2-1/2 ", 4 mm, 1-3/8 "
1, 3/8, 1-1/2, 3/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/8 in, 58 mm, 8 mm, 11/16 in
6-Point, 4-Point, 12-Point, 8-Point, 7-Point
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