The perfect protection for your expensive rod ends. The seal consists of a yellow-chromated high-strength washer with vulcanized neoprene rubber. The rubber completely surrounds both sides of the rod end. Neoprene rubber resist gasoline, oils and most fluids.
Protect the rod end against corrosion and particles that cause wear the sensitive bearing surface which eventually will lead to bearing play. If there is a lack of space, the spacers can be excluded. Then you have to make sure that any side nuts are screwed against the rubber with caution.