Automotive Diesel Compression Tester Set • A basic set for diesel work• Tester has a handy deflator for releasing air & retesting • A 16-1/2” wire reinforced hydraulic hose has a quick coupler on a swivel for ease of connection • A 2-1/2” gauge with easy to read red & black dial with snap-in lens • Records pressures from 0-1000psi and 0-70 Bar