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