- High-Quality Material : Crafted from premium zinc alloy, these battery post adapters are built for durability and longevity with a polished finish that ensures reliability. - Versatile Compatibility : Designed for side post battery applications, these adapters feature a 5/16" thread, making them suitable for any car battery with 5/16" screw holes located on the side. - Precise Dimensions : Adapters measure 39 x 25mm (1.54" x 0.98") with a thread size of 5/16". The positive terminal accommodates diameters of 17-19mm, while the negative terminal fits diameters of 15-17mm. - Wide Application Range : These adapters are ideal for various battery terminal types, including top post, side post, truck, and marine batteries, ensuring seamless connectivity across different vehicles. - Practical Use Cases : - Automotive Repairs : Effortlessly connect and disconnect batteries during routine maintenance or repairs, simplifying the process and ensuring safety. - Marine Applications : Utilize these adapters for reliable power connections on boats, ensuring your equipment runs smoothly on the water. - Heavy-Duty Trucks : Adapt batteries in commercial vehicles to withstand demanding environments, enhancing performance and reliability. Choose these reliable battery post adapters to enhance your vehicle's electrical connections with confidence and ease.