Features: The Coolant Tester is a simple to use device that helps you to check your radiator coolant This Coolant Tester quickly checks the specific gravity of your engine coolant water and shows you whether you have enough anti-freeze (Ethylene Glycol) or Corrosion Inhibitor in your cooling system. Your engines cooling system is a vital part of your engine. Without water, your engine will quickly overheat and seize. This is a common cause of blown head gaskets. Today's aluminium cylinder heads and engine blocks have the added problem of the water in your cooling system can corrode the aluminium and cause severe damage to your engine. Coolant additives prevent corrosion as well as preventing your coolant from freezing and cracking the block. The Coolant Tester Lets You: Check the % of the special coolant additives in your water. Check that your cooling system will not freeze in winter. Check to make sure your coolant is not corroding your engine. Calibrated in C and F, convenient to test. Your coolant also lubricates the water pump. Great tuning aid for the professional mechanic or the DIY mechanic at home. Package Content: 1x Anti-Freeze and Coolant Tester SHIPPMENT 1.All the products will be packed in a professional way 2.We will send your parcels in 7 workdays after payment confirmed. 3.Weare not in charge of import duty, buyer is responsible for that. Any dispute caused by this is unreasonable. WARRANTY 1.One year warranty for all our products and all will be tested well strictly before shipping. 2.If you are not satisfied when you receive the products, please return it within 30 days for a replacement or money back. FEEDBACK 1.If you are satisfied with our product and survice,please leave us positive feedback & 5 star review; 2.If you are unhappy with our service or any other problem,please contact us before leaving feedback and we will resolve the issue immediately. _x000D_