Internal Hex, Internal Torx, External Hex, External Torx
7/16 ", 25 mm, 1-1/2 ", 5.5 mm, 1/2 "
3/8, 2-1/2, 1, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 4-3/4 in, 39 mm, 5/16 in
8-Point, 6-Point, 12-Point, 7-Point, 4-Point
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