External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 11 mm, 5.5 mm, 1-3/8 "
3/8, 1-1/2, 1, 2-1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
43 mm, 8 mm, 17 mm, 7/16 in, 11/16 in
6-Point, External Torx, 7-Point, 12-Point, 4-Point
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