Quickly reveals external cooling system leaks Detects internal engine leaks caused by blown head gaskets and/or cracked block or heads Easily test entire cooling system including radiator, heater core and radiator cap Kit Includes: Hand pressure pump with color coded 0-35 psi gauge and push-button pressure relief valve Temperature gauge (3) Chromed steel radiator adapters (18) Anodized aluminum radiator adapters (2) Radiator cap test adapters Instructions Storage and carrying case