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 we provide two carpet-padded boards to 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,2 PCS Rustproof Steel Trailer Guide ons,Trailer Guides with Carpet-Padded Boards, Mounting Parts | White;Black | Best Buy