Topaz?s BH4/90D Bullhorn mounting brackets are designed to safely support four area or flood lights at a 90? spacing angle. With a sturdy steel construction and powder coat finish, these brackets can endure even in harsh environments. Engineered to be compatible with standard 2 ?” fixture tenon size. These brackets can accommodate up to 110 Lbs. maximum per arm and can be used with steek or concrete poles.