Black Feed Through Wall Twin/Shotgun Cable CoversPACK OF 25Overview - The feed through bushing is designed to cover damaged brickwork, plasterboard, wood or other materials where a cable enters or exits the exterior/interior of a building. They can be glued into position with silicone sealant easily. The bushing helps protect the cable from damage and when installed with silicone will help prevent the ingress of water into the hole in the brickwork. Also known as:Cable Entry GrommetsCable Hole CoversCable Blow Out CapTechnical Specification: Round Cap: 34mm (diameter)Depth: The bushing is 27mm deepMax Cable Diameter – The thickest cable this grommet will accept is 2x (twin) 8mmCut-out – A cut out of 18mm is required for this bushingThis can be purchased in either black or white and the following quantities are available: 2, 10, 25, 50 You may also be interested in our brick buster plates, please search our shop or get in touch for more details.