Features: Designed for testing radiator system pressure on a wide-range of car, truck and agriculture-equipment applications, but not limited to Includes four tapered adaptors ensuring a proper seal on radiator necks for a wide range of applications Pump with a gauge, allowing you to test and maintain the cooling system's pressure. 0 to 35 PSI working pressure range Packed in blow-molded case for convenient storage and portability The CTA Tools 9376 Radiator Pressure Tester Kit is a versatile solution for diagnosing cooling system leaks with speed and accuracy. Designed with an adjustable fit for universal compatibility, this tool enables mechanics to apply controlled pressure to detect leaks in radiators, hoses, and coolant reservoirs. Its durable construction ensures long-lasting performance, while its user-friendly design makes it an essential addition to any workshop. Ideal for maintaining optimal cooling system function across various vehicle types, the CTA Tools 9376 Radiator Component List: Pump with tester gauge 16mm to 35mm adapter 25mm to 40mm adapter 35mm to 50mm adapter 45mm to 60mm adapter