Muteki super tuner nuts are made of cold-forged 1008steel which enables
the nut to be made smaller and lighter, but strength to match or exceed
other standard nut specs. For added security, each set also comes with a
special key required to remove Muteki Super Tuner Nuts.
M12 x 1.5 application: Fits Honda, Acura, Toyota, Lexus, Mazda, Mitsubishi etc.
M12 x 1.25 application: Fits Subaru, Nissan, etc.