This MTD 21" Mulcher Blade is a high-quality replacement part for your lawn mower. This blade is perfect for those who need to replace their old or damaged blade, ensuring that their lawn mower continues to function optimally. The blade is made from durable materials, ensuring that it is built to last. It is compatible with a range of lawn mowers and is easy to install, making it a convenient replacement part for your machine. This blade is ideal for those who need to keep their lawn looking neat and tidy, without the need for a professional landscaper.