The Singer Heavy-Duty 4411,4423,5511,5523,6335 Extension Table is a reliable and durable accessory designed specifically for Singer sewing machines. This extension table provides extra workspace and stability, making it easier to perform intricate sewing tasks with precision and ease. Made by Singer, a trusted brand in the sewing industry, this extension table is compatible with various Singer models and is a must-have for any sewing enthusiast looking to expand their workspace and enhance their sewing experience.