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