Internal Hex, Internal Torx, External Hex
4 mm, 1-5/16 ", 5.5 mm, 11 mm, 1-1/4 "
1/2, 1, 3/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 1-3/4 in, 8 mm, 2-1/2 in
6-Point, 4-Point, 12-Point, 7-Point, 8-Point
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