Enhance the look of your car's interior with this premium quality Sparco Martini Racing Horn Button designed for SPARCO OMP  NARDI steering wheels. Made of quality plastic material, this vintage part adds a touch of elegance to your car's steering wheel. It fits all universal steering wheels and comes in a standard diameter size of 50mm. The horn button comes in a classic white color, which is perfect for any car interior. It is easy to install and comes with a complete set of items including the horn button itself. This authentic item is made in Japan and perfect for any car enthusiast looking to add a vintage touch to their car's interior.