RF feeder cable clamp. For 7/8" RF coaxial cable. 3 stacks, for 6 runs. Feeder cable clamp---- used to fix the RF coaxial cable for wireless cell sites.Cable size.7/8" RF coaxial cable.Type.Two hole type.Stack1 stack for two runs, 2 stack for four runs, 3 stacks for 6 runs. MaterialsStaineless steel 304 IncludeC shape adapter, plastic clamp, support plate, hardwares.