Universal Automotive Radiator Cap Engine Coolant System Pressure Test Kit w/Case Domestic & Import - Includes 8 radiator cap adapters for servicing most domestic and import vehicles Coolant Thermomter - Track coolant temperture directly from the coolant for accurate readings Safe & Secure - Self-locking quick-disconnect components ensure secure attachment installation and easy removal 35 PSI - Tests automotive pressurized cooling systems up to 35 PSI Blow Molded Carrying Case - Blow molded case keeps the testing kit organized and portable