External Hex, Internal Hex, Internal Torx, External Torx
4 mm, 5.5 mm, 5/8 ", 1-3/8 ", 1-1/4 "
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
13 mm, 1-1/4 in, 33 mm, 2-1/2 in, 3-3/8 in
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
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