Internal Hex, Internal Torx, External Hex, External Torx
7/16 ", 20 mm, 5.5 mm, 5/8 ", 1-3/8 "
1, 3/8, 2-1/2, 1-1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
58 mm, 5/8 in, 3/4 in, 9/16 in, 35 mm, 11/16 in
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
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