Goplus 18pcs Universal Radiator Pressure Tester and Vacuum Pump Type Cooling System Kit Durable MaterialThis tool is made of high quality aluminum, rubber and plastic, high strength and good toughness. It provides increased stabilizes for longer service life. Convenient and HelpfulThis universal radiator testers help to detect the cooling system leaks, which is easy to use in preventing the unnecessary damage caused by water leakage. With the vacuum pump, it shortens the time of refilling new coolant by creating a vacuum, without undergo time-consuming air bleeding. Wide ApplicationThere are 8 radiator cap adapters included, and the test range is from 0 to 35 psi, ideal for domestic and import vehicles. With the special design of vacuum purge and refill tool connection, it fits nearly all type of radiator openings. Easy to UseThis radiator pressure tester and vacuum type cooling system kit allows easy testing for leakage in radiator system and quick change of coolant. It will definitely save your energy and time. Easy to CarryThe weight of this set is very light and it comes with a black plastic box, which makes it convenient for you to bring and storage.