Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 1-1/2 ", 9/16 ", 5/8 ", 1-3/8 "
1/2, 3/8, 2-1/2, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-3/16 in, 39 mm, 17 mm, 13/16 in, 2-15/16 in
6-Point, 12-Point, 8-Point, 7-Point, 4-Point
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