✔ High Quality Leaf Spring Bushings: These Trailer Leaf Spring Nylon Bushings, sized at 9/16" Inner Diameter x 1-3/4" Length, serve as a precise machined surface between hitch bolt and spring hole, adding stability and longevity to your trailer setup. ✔ Robust Material: Crafted from durable nylon, these leaf spring liners are well-suited for managing skewing and alignment variations, offering an effective solution for maintaining your trailer's alignment. ✔ Ease of Use: Designed for a simple and quick installation process, these nylon bushings can be easily inserted into the leaf spring hole, ensuring the correct suspension bolt size for a secure fit. ✔ Wide Applications: Ideal for replacement of wear-resistant bushings in springs and equalizers, these trailer leaf spring bushings provide a versatile and reliable solution for various trailer types. ✔ Specifications: Pack includes 4 pieces of 722106 Trailer Leaf Spring Nylon Bushings. Length: 1-3/4 inches, Inner Diameter: 9/16 inches, Outer Diameter: 11/16 inches.