External Hex, Internal Hex, Internal Torx, External Torx
2-1/2 ", 5/8 ", 9/16 ", 5.5 mm, 7/8 "
2-1/2, 1/2, 3/8, 1/4, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 13 mm, 58 mm, 4-3/4 in
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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