The Tru-Flate 17-355 Snap-On Chuck Clip is an adapter that converts a standard ball foot air chuck into a clip-on chuck. When the clip is installed, it can be engaged to hold a ball foot air chuck in place on the valve stem of the item being inflated. Its steel construction provides the durability necessary for industrial environments. This chuck clip is suitable for a wide range of commercial and industrial applications that make use of ball foot air chucks in air filling operations.Plews & Edelmann manufactures automotive and pneumatic hose, lines, reels, accessories, fittings, and lubricants under the Edelmann, Amflo, Omega, LubriMatic, and UltraLube brands. The company, founded in 1909, is headquartered in Dixon, IL.