Feature: 1. Car coolant system detector kit, durable and practical. This kit can help you find internal and external leaks in the cooling system. 2. Compression pump with pressure gauge can easily test the pressure. It is suitable for testing the pressure of radiator and coolant circuit. 3. The tester helps to detect internal and external leaks and is very suitable for cylinder head gasket failure detection (which side of the cylinder block is leaking). 4. The cooling system pressure test kit allows for quick and easy testing of leaks in the radiator system and quick coolant replacement. 5. Precision manufacturing to ensure accurate testing. Color‑coded radiator test caps make it easy to choose a suitable test cap. 6. All parts are neatly packed in a storage box for easy carrying. It is widely applicable to various car models. Pressure relief valve for easy decompression. 7. The kit includes a quick release connector and a high‑power pump with a large, easy‑to‑read dial. Specification: Item Type: Radiator Pressure Tester Kit Material: Metal + ABS Color: Blue Used: For Leak Detection of Universal Water Tanks Application Range: commercial vehicles/trailers/RVs/automobiles/motorcycle, etc.. Package List: 1 x Blue Toolbox1 x Manual1 x Hose1 x Hand Pump Test With Pressure Gauge1 x Thermometer Needle1 x Pressure Gauge1 x Blue Metal Interface1 x Metal Interface1 x Conical Rubber Interface3 x Rubber Ring4 x Chrome-Plated Steel Radiator Adapter17 x Anode Aluminum Radiator Adapter2 x Connector1 x Adapter Handle