External Hex, Internal Hex, Internal Torx
1-1/2 ", 1-5/16 ", 9/16 ", 5.5 mm, 7/8 "
1-1/2, 1, 3/4, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 4-1/8 in, 5/16 in, 2-15/16 in
7-Point, 6-Point, 8-Point, 12-Point, 4-Point
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