Our oil pressure tester kit is the ultimate solution for diagnosing and testing your engine oil pressure value quickly and accurately. With a durable and safe design made from high-quality materials, including copper, rubber, ABS plastic, iron, and aluminum, this kit is built to last. The dual display pressure gauge head has a clear scale, making it easy to read, and the complete set of accessories, including 10 adapters, a 4FT long oil-resistant hose, and brass fittings, make it suitable for most gasoline and small diesel engine cars, motorcycles, boats and other vehicles. The 3" big dial with a clear dual scale range of 0 to 140 PSI and 0 to 10 Bar allows for easy reading, and the straight and elbow quick couplers provide more options for testing in different locations. We stand behind our product and offer an unconditional return service and a 180-day warranty for all parts, ensuring 100% customer satisfaction.