AESTHETIC CABLE MANAGEMENT: Hide unsightly cables from your electronics such as wall-mounted televisions, desktop computers and other powered devices (Maximum pass through width 3") SIMPLE INSTALLATION: Choose between Peel and Stick and/or screw mount for the job at hand (hardware included) VERSATILE DESIGN: Featuring a telescoping mechanism the GTW4 grommet system expands the wall widths up to 7" allowing the grommets to neatly fit within the other HEAVY DUTY: Avoid snaking large cables through the ceiling or around corners, the GTW4 grommet system is designed to handle numerous cables at once FOR HOME AND OFFICE: Perfect from jobs as small as a wall mounted TV in the living room to ambitious IT department projects. Save time and labor with the GTW4 1 year warranty replacement only / excludes labor and damage done by improper installation Cable pass through grommet with the black gasket option. Pass cables through walls easily, cut a 4" hole through both layers of drywall and sandwich the tube between the 2 grommets. Comes with (2) grommets to cap either side, connecting tube and mounting hardware. The EPDM double layer gasket interlocks as cables are passed through. Maximum pass through width is 3", Fits in most standard walls that measure from 4.5" - 5" in width.