Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 1/4 ", 1-5/16 ", 20 mm, 9/16 "
2-1/2, 3/4, 1-1/2, 1/4, 1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
4-3/8 in, 54 mm, 3/4 in, 9/16 in, 3-9/16 in, 8 in
4-Point, 6-Point, 7-Point, 12-Point, 8-Point
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