Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 5.5 mm, 35 mm, 5/8 "
2-1/2, 3/8, 1/2, 1-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-3/4 in, 8 in, 4-1/16 in, 28 mm, 3/4 in, 9/16 in
12-Point, 4-Point, 7-Point, 6-Point, 8-Point
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