External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 11 mm, 1-1/4 ", 46 mm
1/2, 3/8, 2-1/2, 1/4, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 3/4 in, 9/16 in, 4-3/4 in, 7/8 in
8-Point, 12-Point, 4-Point, 7-Point, 6-Point
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