Custom Coaxial and Dual Coaxial Dead-ends are performance-proven dead-end designs for RG-59/U, Dual RG-59/U, Dual RG-6/U and RG-11/U coaxial cable. In addition to the benefits of the basic Telegrip, these premium products feature twin leg construction which cushion and relieve gripping stresses created by unusually high winds and heavy ice loading.