Stant 12270 30 Pound Cooling System and Pressure Cap Tester Stant 12270 pressure testers are durable, accurate, and easy to use. A full family of adapters insures usability on virtually any vehicle. Stant’s 12270 pressure tester is designed to test cooling system and radiator/recovery bottle caps for nearly all vehicles on the road today. The pressure tester can test systems up to 30 pounds of pressure. Large, color-coded gauge dial makes it easy to accurately test systems and caps. The head has a pressure release bar to simplify the release of pressure after a test is completed. More than 25 easy-to-use adapters are available for testing most cars, light duty trucks, and heavy duty vehicles. Description Pressure tester adapter made to test systems and coolant caps. Pressurizes up to 30 system/cap. Adapters sold separately. Comes with carrying case, an "A" size cap adapter and instruction manual. Features & details Pressure tester adapter made to test systems and coolant caps. Pressurizes up to 30 PSI system/cap. Adapters sold separately. Comes with carrying case, an "A" size cap adapter and instruction manual. Fit type: Universal Fit