GHG1538 HOLE GROMMET, 3/8" | This grommets helps protect wire and cable from sharp metal edges as well as eliminating the risk of wire, cord or hose chaffing on applications due to metal drill holes or cutouts. Each rubber grommet is flexible and enables simple installation by easily snapping the rubber grommet directly into the drill hole. The rubber grommets ensure your wiring projects and applications are sustainable and protected.