Dlt seriesCopper aluminum terminal for wide range of size.cable lugs:1)Aluminum and copper is that of L3 and T2.2)Strong weld intensity good nature in electrification. DTL cable lug are suitable for transition connection of the circular aluminium wires,power supply cables in the distribution equipment and copper terminal of the electrical equipment. They are made of cu 99.9% purity and al 99.9% purity.The barrel is friction welded to the palm so that the best possible transition between copper palm and aluminium barrel.