Feature●Engineered from durable, heat- resistant vinyl●Provides a tight fit to prevent vacuum leaks●Excellent for capping lines and hoses while testing carburetors, emission control systems, vacuum lines, and more●Conveniently packaged in a variety of sizes, assortments, and quantities●Support available - every Dorman part is backed by Dormans ASE Blue Seal Certified technical support teamDescription Dorman offers a comprehensive line of Vacuum Caps for almost any automotive repair job. All our Vacuum Caps are constructed of high-quality materials for long-lasting durability.