Internal Hex, Internal Torx, External Hex, External Torx, 6-Point
2-1/2 ", 4 mm, 9 mm, 27 mm, 5/8 "
1/2, 1/4, 3/4, 1-1/2, 2-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
1-7/8 in, 8 in, 28 mm, 2-1/2 in, 5/8 in
12-Point, 7-Point, 8-Point, 4-Point
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