1/2″ Global Air King Ferrule Investment Cast Steel .906 ID Safety Notes:Air King is for air and water service only; Never use any Air King coupling for steam service!; The use of an Air King safety clip or wire type retainer is necessary to ensure Air King universal couplings will not become accidentally disconnected.; To provide protection against coupling breakage and related hazards, Dixon recommends the use of a whip hose.; WARNING: Cancer and Reproductive Harm- http://www.P65Warnings.ca.gov Use:can be crimped; designed for global Air King Specifications:Not Available. Contact for More Information. Features:a low profile streamline appearance with maximum retention.; lightweight