Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 1-5/16 ", 16 mm, 5/8 ", 1-3/8 "
2-1/2, 1-1/2, 3/4, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 3-9/16 in, 8 in, 70 mm, 2-7/16 in
4-Point, 8-Point, 12-Point, 6-Point, 7-Point
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