Features:1. Made of high-quality brass and iron materials, with strong corrosion resistance, strong conductivity and long service life.2. This kind of car battery terminal can stabilize the current and protect the battery, and it is safe and reliable to use.3. Easy installation, direct installation, simple and convenient.4. If your old terminal is severely corroded, our battery terminal will be very suitable as a replacement for the old terminal.5. Applicable models: suitable for circular column type automobile battery SAE/JISA column, automobiles, ships, trailers and other vehicles. Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurement Description:Material: Brass ironSize: Positive 17.5mm, negative 15.9mm Purpose: connect battery and wire, stabilize current, protect battery Packing list: Style 1: Positive and negative pile head L wrench terminal blockStyle 2: Positive and negative pole pile head L wrench insulation padStyle 3: Positive and negative pole pile head L wrench insulation pad battery brushStyle 4: Positive and negative pole pile head L wrench terminal block insulation pad battery brush Package List:1 set x Battery Terminal Connector