Silverline 647951 Radiator Pressure Test Kit 18pceHand pump with gauge for easily controlled pressurisation via quick coupling. For pressure testing integrity of radiators on most common vehicles. Pressure release pin depressurises system prior to detachment. 13 custom adaptors allow direct connection to radiator or expansion tank. Includes gauged hand pump, hose, thermometer, 3 x chrome caps, 2 x external thread caps, 8 x internal thread caps, cap spanner, 2 x plastic cap testing adaptors and blow