External Hex, Internal Hex, Internal Torx, External Torx
7/16 ", 7 mm, 5/16 ", 1-5/16 ", 1-3/8 "
1/2, 3/8, 2-1/2, 3/4, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
1-1/4 in, 58 mm, 4-3/4 in, 1-3/8 in, 2-15/16 in
12-Point, 7-Point, 6-Point, 8-Point, 4-Point
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