Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 5/16 ", 1-1/2 ", 1-3/8 "
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 3/4 in, 9/16 in, 4-3/4 in, 13/16 in
4-Point, 8-Point, 6-Point, 12-Point, 7-Point
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