These Round Tube LED Light Bar Mounting Brackets are made of heavy-duty steel and have a 1-inch diameter, making them durable and reliable for mounting your LED light bar. With an IP67 waterproof rating, these brackets are designed to withstand the elements. The kit includes 2 mounting brackets, 2 Allen keys, and 2 adhesive foam pads, providing everything you need for installation. Sold as a kit, these brackets are specifically designed to fit 1-inch diameter grille/bull bars, making them a practical and convenient solution for mounting your LED light bar securely.