This a fully tubed grommet that provides a 1 1/4" finished hole through a table, desk or ceiling tile with a thickness of 1/2" to 3/4" thick. Easy to install, this product stays in place once installed, allowing cables and wires to be ran effortlessly through the object to be utilized on the other side. Wall Eye table grommets come in a variety of sizes to fit your cable management needs. If you don't see the size your looking for, please shoot us an email at walleyesolutions@gmail.com and let us fulfill your customized request.