It sounds like you're describing a dumpling maker or mould machine specifically designed for making momos wrappers or gugara at home. This particular product seems to be made of stainless steel and is intended for making dumplings with a diameter of 9 cm. Dumpling makers like these are convenient tools for home cooks who want to streamline the process of making dumplings or momos. If you're considering purchasing one, make sure to check the product reviews, specifications, and instructions to ensure it meets your needs and expectations. Additionally, familiarize yourself with the proper usage and maintenance of the machine to get the best results. Once you have the dumpling maker, you can use it to quickly and efficiently create uniform dumpling wrappers, which can save you time and effort compared to making them by hand. Enjoy experimenting with different fillings and recipes to create delicious homemade dumplings!