The OTR 7/8" x 3" x 32" Grade 8 Round U-Bolt Kit, with Expertise Built In™, is designed as a vibration-resistant fastening solution built to withstand heavy duty trailer loads . This u-bolt kit boasts corrosion resistant coating that enhances its resistance to both rust and weathering. This kit is incredibly easy to install - simply slip the U-bolt over your frame rack and tighten it in place using the included hardware. OTR heavy duty parts offer the same form, fit, and function as OE. With comprehensive research, independent testing, and continuous product development, OTR heavy duty parts are sure to keep you and your truck safely on the road. In addition to providing the highest quality of heavy duty truck and trailer parts, you can rely on OTR warranties to be comparable or better than OE and top brands. FleetPride is your First Click in Heavy Duty®.