Hillman H#884403 Black Computer Grommet, Fits 2 1/2" Hole Desk Grommets are a perfect way to protect your furniture and cables while also providing an aesthetically pleasing look. These black-colored computer desk grommets fit a 1-1/2-in diameter hole. Parts are made of high-strength plastic. 2-1/2-in diameter mounts in a pre-drilled or pre-punched hole in an office desk Rigid plastic construction offers lasting durability and resistance to corrosion Pass-through construction corrals office cables and cords into a tidy, single passage point Round shape fits a punched or drilled hole Black color matches surrounding hardware and aesthetics Grommet can be easily pressed or glued into place