Fault diagnostic kit for most vehicles with an Oil Pressure Warning light & switch. The kit enables testing of the switch, sensors, dashboard gauge & indicators linked to the oil pump. Permanently primed, oil filled hose with quick release coupling system & shut off valve. Contents:- Dual scale pressure gauge 0-120psi 0-8bar & the following conectors 1/8” x 28 BSP 1/4” x 18 NPT 1/2” x 20 UNF M12 x 1.5 M16 x 1.5 1/8” x 27 NPT 3/8” x 20 UN M10 x 1.0 M14 x 1.5 M18 x 1.5 connector