【Easy to use】With positive and negative label, easy to identify. 1 Allen key included for easy installation. Quick disconnection. After installing the battery, connect the battery terminals by pushing the lever down, no tools required. 【Convenient and firm】The battery terminal has 4 terminals, designed for multiple connections. It is easy to change the wiring. Convenient wiring and firm connection. 【High quality】The battery terminals are made of tinned copper, corrosion resistant and have good electrical conductivity. Wide application: Suitable for car batteries with round SAE/JIS Type A terminals. The positive and negative battery terminals can be used for cars, vans, caravans, motorhomes, truck batteries, car stereos, etc.