Internal Hex, Internal Torx, External Hex
2-1/2 ", 10 mm, 4 mm, 1-1/8 ", 1-3/8 "
2-1/2, 1/4, 3/8, 3/4, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
E7, 2-1/4 in, 3-9/16 in, 8 in, 4-1/16 in
8-Point, 7-Point, 4-Point, 6-Point, 12-Point
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