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