External Hex, Internal Hex, Internal Torx
7/16 ", 7 mm, 25 mm, 1-5/16 ", 1-3/8 "
1/4, 3/4, 3/8, 1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 1-1/4 in, 3/4 in, 9/16 in, 24 mm
12-Point, 6-Point, 7-Point, External Torx, 4-Point
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