Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 9/16 ", 5/8 ", 46 mm
3/8, 2-1/2, 1, 1-1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/8 in, 8 in, 21 mm, 39 mm, 1-1/2 in
6-Point, 8-Point, 12-Point, 4-Point, 7-Point
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