Transform your vehicle's lighting setup with this versatile 4-inch round mounting kit. The premium aluminum alloy base plate, complete with a protective foam ring, creates a secure and waterproof seal for your lighting fixtures. This kit includes the adapter bezel and a foam gasket. Designed to fit perfectly in any 4 1/4'' hole, this bezel adds a polished, custom look to cars, trucks, trailers, RVs, and motorcycles. The foam gasket effectively shields against water and sand intrusion, while the durable aluminum construction resists corrosion to maintain its functionality in challenging weather conditions. The sleek design seamlessly integrates with your vehicle's exterior, enhancing both aesthetics and practicality.