This Sealing Grommet is designed specifically for 3/4 inch lights, providing a secure and watertight seal. Made with a durable PVC housing and a material thickness of .07 - .125 inches, this grommet ensures long-lasting performance. With dimensions of 1.1 inches wide by 1.1 inches tall by .44 inches deep, it is compatible with most makes and models. Sold individually, this grommet is a practical and reliable solution for your lighting needs.