This product has tin plated annealed copper for improved corrosion resistance, max conductivity and crimp strength. Its' serrated barrels provide greater wire retention/pullout strength. It has expanded nylon, fully insulated for improved abrasion resistance and protection and it can be used to mate, connect and terminate. It has a single wire, male connection features with a beveled tab for easy insertion into female housing that fits to mating dimple for secure connection to female connection. The clear nylon allows for easy inspection of wire connection.