The Rubber Grommet For "Commander 3" Lights is a practical and reliable accessory for your Federal Signal "Commander 3" Series Lights. Made from durable black rubber, this grommet ensures a secure fit and long-lasting performance. Sold individually, it conveniently fits most lights in the series. With its sturdy construction and compatibility, this grommet guarantees a hassle-free installation and enhances the functionality of your lights. Trust this reliable accessory to provide a seamless and efficient lighting solution for your needs.