External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
1-1/2 ", 20 mm, 9 mm, 1-3/8 ", 5/8 "
1-1/2, 1/2, 3/8, 2-1/2, 3/4
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
8 in, 7/16 in, 58 mm, 7/8 in, 2-1/2 in
8-Point, 7-Point, 4-Point, 12-Point
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