Built from one-piece iron casting, our Swing Hangers are heavy-duty and capable of supporting up to 10000 lbs. They feature industrial plastic washers for a smooth and quiet ride, with custom vinyl washers to prevent metal rubbing. Easy to install with included mounting screws and carabiners, these hangers are suitable for various swing set products indoors or outdoors. Please adhere to the recommended weight limit of 2000 lbs for optimal safety. Use a 5/16" drill bit for installation.