LeakLock preserves and cares for retaining rings, as well as all rubber parts in the component. LeakLock is free from aggressive substances such as chlorine, acetone and ketone, or other chemical products that cause uncontrolled swelling of the retaining ring. LeakLock has been successfully durable, harmless, simple and fast for years. Suitable for all types of oil and suitable for all closed oil systems. Contents 150ml.