The product is a set of two new Milwaukee 49-05-0041 flanges, specifically designed for use with angle grinders. These flanges are washers that help to secure the grinding wheel in place on the grinder, allowing for more precise and efficient grinding tasks. Made by the trusted brand Milwaukee, these flanges are reliable and durable for various workshop and home improvement projects. Perfect for professionals and DIY enthusiasts alike, these flanges provide a secure attachment for grinding wheels, ensuring smooth and accurate results.