This product features a heavy-duty steel construction for durability, coupled with a rust-resistant powder-coated finish for long-lasting use. With a safe loading capacity of up to 120 lbs, it is specifically designed to prevent sagging over time in new gates or to repair old wooden gates that have sagged. It is ideal for wooden fence gates, deck gates, driveway gates, corral gates, shed doors, and windows, offering a universal left or right 180° swing. The package includes 2 sets of gate frame kits, each comprising 2 gate brackets with attached hinges, 4 non-hinged gate brackets, and screws for easy assembly in just 25 minutes. Additionally, a gate latch is provided. We guarantee satisfactory service, and if the anti-sag kit you receive is defective or unsatisfactory, we sincerely apologize and will promptly send you a replacement. Material: Metal.