The bushings are covered hole and weather proof wall penetrations.  Meantime, They will ensure the coaxical cable line is not pinched or kinked when installation. The cable wall bushings for coaxial cable from the dual to quad shields,includingthe  optional knockout to accommodate the coaxial cables with messenger. The design ensures firmly  fit beter.  Use the silicone gule on the back of the bushing cap and the drilled hole in the wall, To seal with a wall opening to prevent water migration damage and protect the cable line through wall entry provide clean cable installations sealing roughly drilled holes.

    Designed with 4 row inverted gear teeth have a good function to prevent bushing sliding off the hole in the wall,used together the silicone to prevent moisture penetration into the cable wire line through the drilled hole in wall and make the wall look smooth after cable installation. They are widely used in the cable installation industry project field.

  It is in white  with inner hole Dia.5.2 mm X Cap Dia. 31 mm X 30 mm Length for the coaxial cat5 feed through bushing line. We are a cable accessories manufacturer, The white, clear and black colour and the different sizes, style are avaiable as customers' inquiry.