The Stant ST255 Cooling System Radiator Pressure Tester is an essential tool for any automotive technician. Made by the trusted brand Stant in the United States, this cooling system pressure tester allows for easy and accurate testing of the radiator and cooling system. With a sturdy construction and a unit quantity of 1, this cooling system pressure tester is a reliable tool that will last for years to come. Although it comes with no warranty, its effectiveness and durability make it a worthwhile investment for any garage or workshop.