This screw mount receptacle with a 3 prong plug is a 

must-have accessory for Singer sewing machines 15-91, 201-2.  It is made in the United States and is compatible with Singer brand machines. With its sturdy build and reliable connection, this screw mount receptacle is perfect for all your sewing needs. It belongs to the category of machine parts and attachments, sewing machine accessories, sewing, and crafts. Whether you are a professional tailor or a beginner, this screw mount receptacle is an essential tool that will make your sewing experience smoother and more efficient.