External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 5/8 ", 15/16 ", 46 mm
3/4, 1/2, 2-1/2, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-3/4 in, 4-3/4 in, 39 mm, 11/16 in, 17 mm
6-Point, 12-Point, 7-Point, 4-Point, 8-Point
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