Overhead Bracket, Single Box Rail, Max. Weight (Lb.) 450 lb, Steel, Bright Zinc Finish, Length (In.) 1 3/4 in, Height (In.) 3 1/4 in, Width (In.) 4 1/2 in, Depth (In.) 1 3/4 in, Top Mounting, Steel, Hardware Not Included, For Use With Doors Weighing Up To 450 Pounds