Internal Hex, Internal Torx, External Hex
7/32 ", 9/32 ", 2-1/2 ", 4 mm, 5/16 "
1/2, 1-1/2, 2-1/2, 1/4, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 8 mm, 11/16 in, 26 mm, 1-1/2 in
6-Point, External Torx, 7-Point, 4-Point, 8-Point
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