External Hex, Internal Hex, Internal Torx, External Torx
7/32 ", 9/32 ", 2-1/2 ", 4 mm, 25 mm
1/4, 2-1/2, 3/4, 3/8, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
7/16 in, 1-1/4 in, 3/4 in, 9/16 in, 5/8 in, 26 mm
12-Point, 6-Point, 7-Point, 4-Point, 8-Point
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