Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 2-1/2 ", 4 mm, 1-5/16 ", 16 mm
2-1/2, 1, 1-1/2, 3/8, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 4-1/16 in, 43 mm, 39 mm
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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