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