Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 1 ", 1-3/8 ", 5/8 ", 7/8 "
2-1/2, 3/8, 1-1/2, 3/4, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3 in, 7/8 in, 8 in, 58 mm, 2-15/16 in
4-Point, 8-Point, 12-Point, 7-Point, 6-Point
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