The 2-Pack of grease seals is compatible with GS-1719DL, each with a 1.719-inch inner diameter and a 2.565-inch outer diameter for trailer axles and RVs. These seals have optimal performance and maximum protection, due to the spring-loaded design that adeptly seals out harmful elements like dirt, dust, and water. Furthermore, an improved seal ensures superior sealing by expertly addressing imperfections, while the precision machining guarantees top-tier accuracy.