Description: High-quality materials: This 12V battery terminal is made of high-quality brass, strong and durable, with good corrosion and rust resistance. It can be used for a long time. The positive and negative battery terminals have excellent electrical conductivity, reducing voltage distortion and transmission loss. The included anti-corrosion pad effectively protects the battery. Hex keys help you install it faster. Standard size: positive (red) 17-18.2 mm, negative (black) 16-17.2 mm. Easy to identify and avoid risk of electric shock. Red is positive and black is negative. Easy to use: The handle is made of high-quality aluminum alloy, comfortable to hold and insulated for increased safety. The handle screws off easily and quickly. After unscrewing the handle, simply clamp the battery terminals onto the battery. After connecting the battery, tighten the handle to complete the installation without other tools. 4-way design: This car battery terminal has 4 terminals designed for multiple connections. The wiring is convenient, the connection is secure and it is not easily damaged. Wide application: This 12V battery connector is suitable for car batteries with SAE/JIS Type A cylindrical terminals. The battery terminals can be used in cars, vans, boats, RVs, trucks, caravans, pickup trucks, etc., and are compatible with 12V, 24V and 60V car batteries.