1、INCREASE STRENGTH, REDUCE CORROSION: Automotive battery posts are designed for top post and side post batteries with standard post adapters. Associated with increased strength and reduced corrosion 2、CONVENIENT WIRING AND FIRM CONNECTION: This car battery cable end is perfect for replacing worn and corroded terminals. The car battery connector has 4 binding posts for wiring. Designed for multi cable connections. Wiring is easy to modify, convenient with firm connection. This heavy duty battery terminal can be mounted on a round post car battery for SAE/JIS Type A post 3、4 WAY POSITIVE NEGATIVE: Contain positive (19mm/0.75in) battery terminal clip and negative (17mm/0.67in) battery terminal clip. Positive and negative battery terminals fit most battery models 4、HEAT RESISTANT BRASS: The battery terminals are made of tin plated brass. Tin plated brass is brass coated with a base alloy, such as solder better known as tin, which enhances the natural properties of brass, making it more resistant to humidity and heat 5、WIDE APPLICATION: These battery terminal connectors can be used in cars, trucks, caravans, RVs, truck batteries, car stereos, and more. Just make sure to connect the correct terminals for correct polarity