Features 1、Ratchet battery terminal wrench, long enough to access recessed battery terminals and hard‑to‑reach batteries of cars, trucks and RV. 2、10mm 5/16 ratchet heads in a single terminal wrench, wide compatibility. With the ratcheting action of the wrench, you can easily perform battery maintenance or replacement. 3、The thick vinyl handle on the terminal wrench is non‑conductive, reducing the risks of dangerous arcs and making it safer to use. 4、Suitable for RV, sports car and collector's car, etc. It is a practical battery replacement tool for professionals and mechanics, making work easier. 5、Compact size, lightweight and portable, which is easy to carry and store, bring much convenience for you. Specifications: Item Type: Ratchet Wrench Material: Metal Fits Top Post and Side Terminals Fits 5/16in side Terminal Bolt Fits 10mm/0.4in Top Post O.E. Terminal 1/2in Socket for Top Post Terminals Package List 1 x Ratchet Wrench 1 x Socket