External Hex, Internal Hex, Internal Torx, 6-Point
5/16 ", 9/32 ", 2-1/2 ", 9 mm, 16 mm
2-1/2, 1/2, 3/4, 1/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/8 in, 58 mm, 39 mm, 5/16 in
4-Point, 8-Point, External Torx, 7-Point, 12-Point
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