1 It is designed to be used in most 4 and 5 bolt hubs. 2 Reduces failure of marine trailer wheel bearings and extends bearing life, prevent water and dirt from entering the hub and bearings. 3 Made of quality stainless steel material, corrosion resistant and durable. 4 Automatic pressure relief, grease can be added to the hub via an easily accessible grease connection located in the center of the piston. 5 By pressing the edge of the movable piston, the level (and pressure) of the lubricant can be checked quickly.
What's in the box
4 x Boat Trailer
