4 Square U-Bolt Kits: Each kit includes 4 U-bolts, 8 hex nuts, and 4 plates, all galvanized for extra durability?perfect for faster, hassle-free work. ? Premium Stainless Steel: Constructed from 304 stainless steel, these U-bolts offer excellent rust and corrosion resistance, making them ideal for outdoor use in harsh weather conditions. ? High-Performance Durability: Strong, rust-resistant, and corrosion-resistant, with a smooth, burr-free surface and secure threading?ideal for wet, humid, or seaside environments. ? Versatile U-Bolt Size: With a 0.24" thread diameter, 1.57" thread length, 2.56" inner width, and 3.15" total height, these U-bolts fit most square beams and shafts. (Please verify sizing before purchase.) ? Wide Application: Ideal for securing or connecting parts to pipes, wood, and more, these square U-bolts suit boats, plumbing, and a range of home and industrial projects.