PMD Products Engine Oil and Transmission Pressure Tester Gauge Diagnostic Test Kit with Adapters Case 300 PSI Engine Oil or Transmission Fluid Pressure Tester Gauge Kit includes rubberized gauge protector, Hose and Adapters. Includes 300 PSI Rated 60" long rubber hoses with brass fittings (Gauge reads to 400PSI) 6 brass fittings with 1 brass extension tube, blow molded case included Chart with Typical engine oil pressure expected readings for hundreds of engines and car makes/models