Feature: 1. Made of premium stainless steel for maximum corrosion protection.2. Prevents wheel bearing failure on most trailers with 1.98in hub diameter. 3. Keeps water and dirt out of hubs and bearings. 4. Its a great way to extend bearing life, practical to use. 5. Easy to install, no need complicated tools, convenient for using. Specification: Condition: 100% Brand New Material: Stainless Steel Color: As picture shown Diameter: Approx. 1.980in (designed to be used in most 4 or 5 bolts hubs) Package List: 4 x Lubricator Tool |