Internal Hex, Internal Torx, External Hex
16 mm, 2-1/2 ", 1-1/2 ", 1-1/8 ", 5.5 mm
2-1/2, 1, 1/2, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
5 mm, 8 in, 7/16 in, 58 mm, 3-3/8 in
4-Point, 6-Point, 7-Point, 8-Point, 12-Point
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