Internal Hex, Internal Torx, External Hex
2-1/2 ", 7 mm, 1-5/16 ", 1/4 ", 5/8 "
1/2, 1, 1/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 1-1/4 in, 58 mm, 39 mm, 2-7/16 in
8-Point, 4-Point, 7-Point, 6-Point, 12-Point
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