Tie Down's Low Rider Guide On's are designed to provide exceptional support and precision while loading and unloading your watercraft. Crafted with robust 1-1/2" square, 16-gauge steel tubing, our Low Rider Guide On's guarantee durability and longevity. The galvanized coating offers additional protection, ensuring they withstand the test of time, even in challenging marine conditions. The guide covers are made from high-impact non-marking molded PVC, ensuring your watercraft's finish remains scratch-free and pristine during loading and unloading. Mounting these guide on's is a breeze, as they easily attach to trailer cross members measuring 2 inches wide and 2 - 4 inches high. All necessary mounting hardware is included, ensuring a quick and convenient installation process.