Sealey VS0033 Cooling System Pressure Test Kit 5pc Capless tester uses cone adaptor system to seal and pressurise the cooling system. Adaptors may be used to replace both screw and bayonet type cap fittings. Kit includes pump with gauge and four system adaptors for use on a wide range of vehicle applications. Capless tester uses cone adaptor system to seal and pressurise the cooling system Adaptors may be used to replace both screw and bayonet type cap fittings Kit includes pump with gauge and four system adaptors for use on a wide range of vehicle applications Model No VS0033