Our boat trailer guide-ons can not be easily rusted or bent, and also, they will not be affected by saltwater. All necessary mounting hardware is included, and the PVC pipes keep the boat away from scratches. Enjoy a day out on your boat without having to worry about whether your boat is protected. | Vevor | | Boat Trailer Guide-ons, 40", 2PCS Rustproof Galvanized Steel Trailer Guide ons, Trailer Guides with PVC Pipes | Black | Best Buy