External Hex, Internal Hex, Internal Torx
2-1/2 ", 4 mm, 1-5/16 ", 5/8 ", 1-3/8 "
1/2, 2-1/2, 1/4, 3/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
7/16 in, 4-1/8 in, 24 mm, 7/8 in, 35 mm
8-Point, 6-Point, 12-Point, 7-Point, 4-Point
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