Only tool that identifies an imploded brake hose and accurately detects exactly where the problem lies without breaking a line. Has two load cells attached to analog gauges that each have a range of 0-5000 psi (0-350 bar). Gauges are built with a red tell-tale memory needle that allows for one-man brake testing. Tests improperly adjusted proportioning valves air in hydraulic systems power booster problems rear brake adjustment check etc. Tests sticky or broken brake calipers.