Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-1/2 ", 5.5 mm, 1-3/8 "
3/4, 2-1/2, 3/8, 1, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 70 mm, 39 mm, 13 mm
External Torx, 6-Point, 7-Point, 8-Point, 4-Point
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