Offers one of the best ways to apply a thin, uniform coating of rust preventative grease to your firearms. Use the long-lasting sheepskin treated with RIG® Universal Gun Grease to safely coat metal items, protecting them against rust and corrosion. Durable and practical, RIG-RAG Universal Grease Applicator can be used again and again – just add more RIG Universal Grease as needed. Conveniently packaged in a zipper-lock bag for easy storage