Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 9/32 ", 2-1/2 ", 4 mm, 7 mm
2-1/2, 1, 3/4, 1-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
54 mm, 5 mm, 8 in, 39 mm, 13/16 in
8-Point, 6-Point, 7-Point, 12-Point, 4-Point
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