The AGO Hydrometer with 250ml Cylinder Tube is a reliable tool used for measuring the specific gravity of battery electrolyte solutions,helping to determine the state of charge and condition of lead-acid batteries.It is ideal for automotive workshops,technicians,and battery maintenance applications.The hydrometer comes with a transparent 250ml cylinder tube that allows easy observation of readings and liquid levels.The floating scale inside the hydrometer provides accurate measurements,helping users quickly assess battery health and performance.It is made from durable materials that resist chemical corrosion from battery acid,ensuring long-lasting use.The tool is simple to operate and essential for maintaining and testing batteries in vehicles and equipment.