Cleans, protects, displaces moisture, penetrates, lubricates, gets under dirt and grease, dissolves adhesives, dries electrical systems and eliminates moisture-induced short circuits. Loosens rusted, frozen or stuck metal fastenings, holds firmly to all moving parts and shields against moisture on bare metal. Permanently attached straw. Flip up straw- precision stream for hard-to-reach jobs. Fold the straw down - wide spray action for large surface areas.