Fitment: Designed to measure cylinder pressure on diesel cars and trucks. Comes with handy deflator for air releasing and automatic resetting of the gauge for repeat testing. Accurate Detection: The wire reinforced hydraulic hose is 16 1/2’’ long. The gauge is 2 1/4’’ and it has a dual scale red and black dial which ranges from 0 - 1000 psi and 0 - 70 bar. Convenient and fast detection speed. Professional manufacturing technology, more accurate detection data. High Quality: Manufactured from high standard rubber, high strength steel and copper, features with high hardness, good wear and corrosion resistance. .