External Hex, Internal Hex, Internal Torx, 6-Point
2-1/2 ", 5/16 ", 9/16 ", 9 mm, 5/8 "
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-1/4 in, 2-1/2 in, 2-7/16 in, 17 mm, 5/16 in
8-Point, External Torx, 7-Point, 12-Point, 4-Point
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