Design to diagnose worn oil pumps and engines, faulty oil pressure switches and warning indicators Large, shock protected, easy-reading 2-1/2" diameter gauge with dual calibration 0-150 psi, 0-10 bar Gauge head with built-in pressure relief valve for quickly repeating test of oil pressure without removing gauge Quick-connect coupler for easy and secure connection 51" flexible hose allows easy access hard-to-reach places Includes 90° coupling adapter and replacement seals 10 Screw adapters: R 1/8" DIN 2999, 1/8" x 27 NPT, 1/4" x 18 NPT, 3/8" x 20 UNF, 1/2" x 20 UNF, M10 x 1.0, M12 x 1.5, M14 x 1.5, M16 x 1.5, M18 x 1.5 Applications: Alfa Romeo, Audi, BMW, Citroën, Daihatsu, Fiat, Ford, Honda, Hyundai, Isuzu, Jaguar, Lada, Lancia, Mazda, Mercedes-Benz, Mitsubishi, Nissan, Opel, Peugeot, Renault, Rover, Saab, Skoda, Subaru, Suzuki, Toyota, Vauxhall, VW, Volvo, Zastava etc.