Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 5/16 ", 30 mm, 5/8 ", 1-3/8 "
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
9/16 in, 34 mm, 1-15/16 in, 8 in, 5/16 in
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
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