Compatibility Ensured: Specifically designed for standard 2i PVC (2-3/8 inch OD) guide-on posts, these lights are perfect for boat trailers, ski boats, and fishing boats, ensuring a snug fit and easy installation without the need for modifications. Standard Compliance: Crafted to meet Original Equipment standards, these guide-on post lights a replacement fit that matches the original, ensuring reliability and the highest quality. Enhanced Visibility with High Brightness: Equipped with oval tail lights featuring advanced SMD type LEDs, these lights offer superior visibility. This makes it easier to see your trailer's position relative to your surroundings when driving at night, enhancing safety. and Waterproof Materials: Constructed from robust ABS materials, our boat trailer lights are designed to withstand harsh conditions. Their sturdy build and waterproof capabilities make them ideal for marine environments. Comprehensive Package: The kit includes 2pcs 10 LED stop/turn/tail boat trailer guide-on post lights, 2pcs 10ft wire harness, 6pcs trailer frame wire clip, 4pcs wire connectors, 4pcs heat shrink wire connectors, and 4pcs stainless screws, providing everything needed for a hassle-free installation. Colour:As shown Material:plastic Package Contents: 1 * LED Boat Trailer kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.