This dimmer switch grommet, designed for vehicles with a 2-1/2" flange and a 1" inner diameter, is crafted to fit seamlessly into your carpet or floor mat. Made from durable silver rubber, it is resistant to chemicals, sunlight, and ozone, ensuring long-lasting performance even in harsh conditions. The grommet features a flange that secures it firmly in place, providing a clean and professional finish around your dimmer switch. Its state-of-the-art rubber compounds make it flexible yet sturdy, allowing for easy installation while maintaining a snug fit. Backed by Metro's 30-year Platinum Warranty, this part guarantees peace of mind and reliability for decades to come.