1、Premium Material: Bushing kit is made of premium bronze material, rustproof, wear resistant, high strength, sturdy and durable. 2、Excellent Performance: Professional manufacturing, exquisite workmanship, high accuracy, stable performance and high reliability. 3、Fitment: Bronze leaf spring bushing kit fits for double eye springs equalizers, come with 4pcs, meet your needs and has a long service time. 4、Size: The inner diameter of trailer leaf spring bushing is 9/16in, outer diameter is 11/16in, 1 3/4in length, perfect matching the trailer. 5、Easy Installation: Easy to install without any modification, no complicated operation is required, convenient for using, save your time and energy.