Radiator Cap Pressure Tester Tool Type Radiator Cap Pressure Tester Application Allows Radiator Cap Relief Pressure and Seal Condition to Be Tested Vehicle Make/Model/Year Universal For Use With Most Vehicle Radiators Color Assorted Maximum Pressure 30 psi Material Plastic Number of Pieces 10 Includes Molded Case Fits Shaft Diameter 0.47 in Vehicle Make Universal Vehicle Model Universal Vehicle Model Year Universal