Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 1-1/2 ", 1-5/16 ", 15/16 ", 21 mm
3/8, 2-1/2, 3/4, 1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/16 in, 1-1/8 in, 3/4 in, 9/16 in, 39 mm, 3-3/8 in
8-Point, 7-Point, 6-Point, 4-Point, 12-Point
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