Check the listing for details. Deluxe Professional Battery Hydrometer / Tester Set. Condition: New. Listed at 87.99 USD. This tried and true design allows the user accurate and reliable specific gravity readings for a lifetime. This High Quality Tool will test your battery's state of charge and give you an understanding of the overall health of your batteries. Its professional, heavy-duty design can monitor your lead-acid batteries for decades and optimize the life of your expensive batteries. This set include a flexible rubber tip and a ratchet clamp that allows for use in tight spaces. Wall Mount/Drip Cup System included. Features: Heavy Duty, Industrial Grade, Professional Battery Tester1.100-1.300 Specific Gravity Range based at 77 FTemperature Compensating Thermometer for Truly Accurate Readings Distortion Free Glass BarrelProfessional Grade Rubber Parts12” Flexible TipRatchet Clamp Wall Mount System/Drip Cup IncludedAssembly and Usage Instructions Reusable PackagingFree Customer Support Quantity Discounts Available About Us: Free shipping to the lower 48 states only. If you have any questions about our products, message us. We have trained technicians waiting to answer your questions! Our hours of operation are Monday thru Thursday 7 AM-5 PM EST. HAND-MADE, PRO-GRADE & USA-MADE Check out our eBay store for other great products!