The Sealey 5 Piece Cooling System Pressure Tester Set is a professional diagnostic tool designed for testing vehicle cooling systems without requiring a radiator cap. This capless tester uses a cone adaptor system to seal and pressurise modern cooling systems, making it ideal for checking pressure integrity and identifying leaks in cars and light commercial vehicles. The kit includes a pump with an integrated pressure gauge and four different cone adaptors, sized to cover a wide range of vehicle applications. The adaptors can replace both traditional screw-type and bayonet-style cap fittings, providing comprehensive compatibility across multiple vehicle makes and models. This versatile testing set is particularly suitable for professional mechanics and automotive workshops dealing with newer vehicles featuring capless cooling systems. The cone adaptor design ensures a reliable seal across different radiator neck sizes, from compact vehicles to larger applications, enabling accurate pressure testing across your workshop's full range of service work. Features and Benefits: • Four cone adaptors cover radiator neck sizes from 17mm to 48.5mm for broad vehicle compatibility • Integrated pressure gauge allows accurate monitoring during system testing • Suitable for both screw and bayonet type cap replacement • Complete kit solution for professional cooling system diagnostics Specifications: Brand: Sealey Contents: Cone Adaptor Sizes; 17-24, 28-31.5, 37-39.5, 47-48.5mm Nett Weight: 2.84kg