Internal Hex, Internal Torx, External Hex
3/16 ", 2-1/2 ", 4 mm, 8 mm, 1-3/8 "
2-1/2, 3/8, 1/2, 3/4, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
8 in, 13/16 in, 4-1/16 in, 70 mm, 3/4 in, 9/16 in
External Torx, 12-Point, 6-Point, 8-Point, 7-Point
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