External Hex, Internal Hex, Internal Torx, External Torx
4 mm, 25 mm, 11 mm, 5/8 ", 1-1/4 "
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
28 mm, 13/16 in, 21 mm, 3/4 in, 9/16 in, 2-1/2 in
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
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