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 Item Type: Battery Terminal Connectors Accessories: Suitable for SAE/JIS Type A car battery Positive Inner Diameter: Approx. 17.5 ~ 19mm / 0.69 ~ 0.75in Negative Inner Diameter: Approx. 16 ~ 17.5mm / 0.63 ~ 0.69in Mini Cord Clamp: Approx. 6.5mm / 0.25in Maximum Clamp: Approx. 9.5mm / 0.37in Minimum Wire Diameter: Approx. 16mm / 0.62in For Wire Diameter: Approx. 4.1 ~ 8.2mm / 0.16 ~ 0.32in (AWG size 0 – 16) or cross section 13.5 – 53.5mm² 1 Pair of Brass Battery Clamps(red + black) 1 x Hex Mounting Wrench 1 Pair of Battery Pile Head Gaskets(red + green) 2 Pairs of Terminal Sheaths(red + black) 1 x Battery Pile Head Rust Removal Brush 4 x Brass Terminals