Product Details: The Truck-Lite 10 Series Open Round Rubber Grommet designed to provide edge lighting for PC requirements on a 45 ° angle using all 2-1/2" diameter lamps. This grommet is made from durable rubber and is designed to provide a secure fit for your lighting needs. It is easy to install and provides a reliable seal to keep your lighting secure. The black finish adds a sleek, modern look to your lighting setup. This grommet is perfect for any lighting project and is sure to provide a reliable and secure fit. FleetPride is your First Click in Heavy Duty®.