Features: Keep your vehicle's cooling system in top shape with our Automotive Coolant Tester. Accurately measure freeze levels for driving. Our high quality Hydrometer Tester is designed for convenience and durability. With an easy to read temperature table and a durable plastic body, it provides accurate results every time. Perfect for car enthusiasts, mechanic, and DIYers, our Coolant Tester is a must have tool for maintaining your vehicle. Stay of potential cooling system problems. Whether at home or in the garage, our Coolant Tester is suitable for various usage scenarios. From regular maintenance to preparing for extreme weather conditions, make informed decisions about your cooling system. Discover the confidence that comes with knowing your vehicle's cooling system is in great condition. Our Coolant Tester provides reliable results, helping you protect your engine and ensure smooth driving. Specifications: Material: Silicone, Glass Length: Approx. 26.5cm/10.43in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Hydrometer Densitometer