External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
5/16 ", 9/32 ", 2-1/2 ", 5/8 ", 5.5 mm
3/8, 2-1/2, 3/4, 1-1/2, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 1-11/16 in, 8 in, 13 mm, 58 mm
12-Point, 8-Point, 7-Point, 4-Point
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