Sturdy Part with Zinc Plating: Made with zinc plating to withstand harsh marine environments and sturdy Grade 5 material to handle heavy loads on your boat trailer Square Bend U-bolt Design: This U-bolt features a square bend design, providing added strength and stability when mounting accessories on your boat trailer Marine-Grade Boat Accessories: This U-bolt is the perfect hardware for boating and fishing enthusiasts; use to mount brackets and accessories to trailer frames Complete Boat Hardware Kit: This U-bolt comes packaged with nuts and washers, making installation easy and convenient for any boating or fishing enthusiast CE Smith Marine Accessories: CE Smith is committed to providing quality trailer and fishing products with responsive customer service