1、PACKAGE INCLUDE: Package contain 1 pair of positive and negative battery terminal connectors with stainless steel screws. The positive pole having the slightly larger diameter than negative pole 2、STRONG QUALITY: The battery terminals are made of long lasting and rusts proof solid brass which sturdy and possess good electrical conductivity, last to use for a long period 3、EASY TO INSTALL: Simply screw side post thread terminal into the lifepo and then the old connections put back on it. So you don't need to change anything on the electrics. Simple to use, no tools required in most case 4、WIDELY APPLICATION: Auto battery terminal brass post adapter is suitable for trailer brake controls, snowplows, trailer brake controls, sound systems, LED light bars, and other accessories requiring direct power, non maintenance connection 5、WITH FITTINGS: Battery terminal connectors set equipped with screws, washers, wrench, easy for you to install and use, complete accessories provide convenience to operate