Application Scenario: Designed specifically for cables, the holes of the for cable routing kit fit perfectly within the for cable. Tidy Look: for wall grommet can streamline cable routing, Eliminate clutter, Seal wall openings, and protect cables from sharp edge damage. Easy to Install: The cable feed through bushings is used to pass the for cable through the wall. Simply drill a 1-inch hole through the wall, and install them. High-quality Material: The grommet is made of high-quality odorless silicone, Which features strong scalability, durability, and high sealing performance. Much more than ordinary plastic products on the market. Quantity:4PCS Colour:Black Material:Silica gel Package Contents: 4 * Cable Routing Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.