This high-strength nut set from Project Mu Japan has a seven sided heptagonal shape that prevents removal with ordinary tools, thus protecting your wheels from theft.
Made from Chromium-molybdenium steel/SCM435, with Aluminum caps, each set comes with 20 wheel nuts and 1 socket.
Finished in a gun metal gray with project Mu’s signature blue tops. these are around one of the thinnest wheel nuts you will find.
This set comes in M20 x P1.5 thread pitch and will fit most Mazda’s and some other Japanese makes.