National Hardware's 5/16" x 1-3/8" x 2-1/2" Stainless Steel U Bolt is designed for fastening products to pipes & wood. Manufactured from non-magnetic stainless steel for durability. Easily installs with included plate and nuts. Suitable in automotive, plumbing and other home and industrial applications, including marine and other outdoor applications. Coated with WeatherGuard Protection to withstand harsh weather conditions and prevent corrosion. Light Duty Raiding, always follow safe working load (SWL) limits included on packaging. National Hardware's Lifespan Limited Lifetime Warranty.