Internal Hex, Internal Torx, External Hex
1-5/16 ", 9 mm, 15/16 ", 1 ", 5/8 "
1/4, 1, 3/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 3-9/16 in, 5 mm, 8 in, 13/16 in
6-Point, 4-Point, External Torx, 7-Point, 12-Point
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