Internal Hex, Internal Torx, External Hex, 6-Point
2-1/2 ", 4 mm, 26 mm, 35 mm, 5/8 "
2-1/2, 3/4, 1-1/2, 3/8, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/8 in, 12 mm, 8 in, 39 mm, 3-3/8 in
4-Point, 8-Point, External Torx, 7-Point, 12-Point
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