TYHI 16Pcs Trailer Leaf Spring Bushing Kit is engineered for reliable trailer suspension repair and long-lasting performance.Each bushing is made from heavy-duty nylon to reduce noise, resist wear, absorb shock, and maintain consistent stability on rough roads. With standard 9/16" ID, 11/16" OD, and 1-3/4" length, these bushings are a direct replacement for 722106 and fit most double eye leaf springs and trailer axle equators. This complete 16-piece kit allows you to fully refresh your trailer suspension in one easy installation.It reduces vibration, prevents harsh metal contact, and improves towing control, stability, and overall safety.Suitable for utility trailers, boat trailers, camper trailers, and heavy-duty trailer applications. Upgrade your trailer with TYHI nylon bushings for quieter, smoother, and more dependable towing.