Internal Hex, Internal Torx, External Hex
2-1/2 ", 1-1/2 ", 9 mm, 1 ", 1-3/8 "
2-1/2, 3/8, 1, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
5 mm, 8 in, 58 mm, 4-3/4 in, 13 mm
6-Point, 12-Point, 8-Point, 7-Point, 4-Point
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