Internal Hex, Internal Torx, External Hex, 6-Point
7/16 ", 7 mm, 2-1/2 ", 4 mm, 5/16 "
1/4, 3/4, 2-1/2, 1-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 7/8 in, 39 mm, 24 mm, 26 mm
External Torx, 8-Point, 12-Point, 7-Point, 4-Point
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