Detects internal engine leaks caused by blown head gaskets and/or cracked block or heads Kit includes high quality hand pump and (12) adapters to fit the most popular domestic and import cars and light trucks Kit Includes: Hand Pressure Pump with color coded 0-35 psi Gauge and Push-Button Pressure Relief Valve Temperature Gauge (4) Chromed Steel Cap Adapters (8) Anodized Aluminum Cap Adapters Storage and Carrying Case .