Martin Wheel (H-545UHI-B) 5-Bolt Hub Repair Kit for 1-3/8" to 1-1/16" Axle Get back up in running condition with the complete trailer axle hub rebuild kit; Includes hub, lug nuts, bearing cups and cones, grease seal and cap Use: Highway rated trailers Designed for highway service 5-bolt, fits 1-3/8 inch to 1-1/16 inch axle