Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 11/16 ", 2-1/2 ", 4 mm, 1-1/2 "
1/4, 1, 3/8, 1-1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 70 mm, 4-3/4 in, 39 mm
4-Point, 12-Point, 7-Point, 8-Point, 6-Point
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