External Hex, Internal Hex, Internal Torx, 6-Point
7/16 ", 5/8 ", 9 mm, 1-3/8 ", 1-1/4 "
3/8, 1/4, 1/2, 1-1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 39 mm, 5/8 in, 11/16 in, 17 mm
12-Point, External Torx, 7-Point, 4-Point, 8-Point
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