The FACAIIO Hinged Mulching Assembly and Side Discharge Chute for Craftsman 21 lawn mowers is designed to enhance your outdoor experience with ease and convenience. Specifically, this product is tailored for mowers with Parts 731-07131, 987-02516A, and Fits TB110 TB130 TB200. This kit provides a simple and efficient solution for mulching your grass without blocking your vision or obstructing your path. The hinged design allows the chute to open and close effortlessly, ensuring you can effortlessly control the flow of debris while working. The side discharge chute offers a clean and neat exit for your grass clippings, making for a healthier lawn and a safer working environment. With the FACAIIO Milling Assembly and Side Discharge Chute, you can transform your Craftsman 21 lawn mower into a high-performance, efficient, and enjoyable tool.