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