Internal Hex, Internal Torx, External Hex, External Torx
2-1/4 ", 2-1/2 ", 5/8 ", 23 mm, 46 mm
1, 2-1/2, 1/2, 3/8, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/8 in, 1-7/8 in, 8 in, 13 mm, 2-15/16 in
4-Point, 12-Point, 7-Point, 8-Point, 6-Point
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