The Wald 3/8"-24 Steel External Hex Rear Axle Hex Nuts are a set of 29 plain-finished, high-quality fastener nuts designed for use on rear axles. Made from durable steel with a thread size of 3/8"-24 inches, these nuts are perfect for securely fastening and stabilizing axles in various industrial and business applications. The hex drive style makes them easy to install and remove, ensuring a secure hold for your rear axle. With a pack of 29 nuts, this product from Wald is a reliable and convenient solution for your fastening needs.