Internal Hex, Internal Torx, External Hex
9 mm, 5/8 ", 5.5 mm, 1-3/8 ", 1-1/4 "
3/8, 1, 1/2, 1-1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-1/8 in, 58 mm, 4-3/4 in, 39 mm, 1-3/8 in
7-Point, 4-Point, 6-Point, 12-Point, 8-Point
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