External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 7 mm, 25 mm, 26 mm
1, 3/8, 3/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 3-9/16 in, 8 in, 4-1/16 in, 58 mm
4-Point, 8-Point, 7-Point, 6-Point, 12-Point
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