Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 7/16 ", 1-1/2 ", 5/8 ", 5.5 mm
1-1/2, 1/4, 3/4, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
5 mm, 8 in, 4-1/8 in, 39 mm, 11/16 in
6-Point, 7-Point, 12-Point, 8-Point, 4-Point
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