The PEAK Antifreeze & Coolant Tester is a new and sealed diagnostic service tool designed to test the quality and concentration of antifreeze and coolant in vehicles. Manufactured by Peak, this antifreeze tester is specifically designed to ensure optimal cooling system performance. Made in Taiwan, this product is a reliable tool for automotive professionals and car enthusiasts looking to maintain and diagnose their vehicles' cooling systems. Easy to use and providing accurate results, the PEAK Antifreeze & Coolant Tester helps to extend the lifespan of vehicles and prevent costly repairs caused by low-quality coolant.