Internal Hex, Internal Torx, External Hex, 6-Point
4 mm, 7/16 ", 1-1/8 ", 5/8 ", 1-1/4 "
1-1/2, 1, 3/4, 2-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
26 mm, 60 mm, 8 in, 19 mm, 13/16 in
8-Point, External Torx, 4-Point, 7-Point, 12-Point
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