Check the listing for details. Deluxe #1 Professional Battery Hydrometer Syringe Set, #1 Set, #11 Set. Condition: New. Listed at 39.99 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 compact, heavy-duty design can monitor your flooded lead-acid batteries for decades and optimize the life of your expensive batteries. Works well with large or small batteries.The kit includes a flexible rubber tip that allows for use in tight spaces. **Be sure to select which temperature base (60°F or 77°F) you would prefer and also whether you would like a colored zone float or Non-Colored Zone Float.** All of the floats have the same specific gravity range. The options are whatever your preference may be. Feel free to ask any questions as we always have technicians standing by to answer them. Features: Heavy Duty, Industrial Grade, and Compact Battery Tester1.100-1.300 Specific Gravity Range Hydrometer Distortion Free Glass BarrelProfessional Grade Rubber Parts8” Flexible Tip3" Hard TipAssembly and Usage Instructions Reusable PackagingQuantity Discounts Available 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!