... communication cables 1/2,1/4,3/8,7/8,5/4.13/8,1/2S,5/8, etc..Type: hoop, wall install, through ... , rubber ring, 1/2,1/4,3/8,7/8,5/4.13/8,1/2S,5/8, etc TypeΦDia (mm)1/2 ... ”16-177/8”26-283/8”10-121-1/4”38-401-5/8”50-511/4”8 ... .5-9.51/2s” 13 ... , etc.Sales:$20 million /year 1/2, 1/4,3/8,7/8,5/4.13/8,1/2S,5/8 feeder clamp ,