Sealey 3 piece hgv air brake test gauge set sealey vs932 locate problems relating to commercial vehicle air brake pressure quickly and easily three gauges provide more accurate diagnoses when testing and locating faults along the braking system suitable for use at the roadside or in the workshop features three large 0 20bar 0 300psi gauges with rubber bumper supplied with male female couplings and three hoses in a storage case sealey vs932 hgv air brake test gauge set 3pc