1、Easy Wiring: This battery terminal connector has 2 terminal blocks for wiring. Designed for multiple cable connections. A spanner is provided for easy installation. Wiring is easily modified. Easy wiring and secure connection. Suitable for cylindrical automotive batteries SAE JIS Class A posts. 2、Highly Adaptable: This battery terminal connector is 17.5mm‑19.1mm for the positive terminal and 15.9mm‑17.5mm for the negative terminal. The positive and negative battery terminal clamps are suitable for most battery types. Ideal for replacing worn and corroded terminals. 3、High Electrical Conductivity: This battery terminal connector is made of tinned copper and has excellent electrical conductivity and corrosion resistance, which reduces voltage distortion and transmission losses. 4、Wide Application: This battery terminal connector can be used for cars, vans, caravans, motorhomes, truck batteries, car stereos, etc. Just make sure to connect the correct terminals for the correct polarity. 5、Secure and Reliable: The battery terminal connector is designed to be secure, with a reliable locking mechanism that ensures that the connectors stay in place once they are attached. This locking mechanism also prevents accidental disconnection, reducing the risk of damage to your vehicle or equipment.