Push Start Glow-in-the-Dark Ring - Red Absorbs light and glows in the dark. Aluminum Colors: Red, Black, Gold, Silver, Blue (Color changes are possible) Inner Diameter: 30mm, Outer Diameter: 42mm Please confirm the size of your car and the location where you will attach it before purchasing. For an additional 800 yen, we can include a cover with illumination visibility: no hole, with hole, or for hybrid vehicles (Red, Blue, Gold, Silver, Black). Price is not negotiable for single item purchases.