The Magnet Frame 50 (7cm x 7cm) with Arm M is a versatile accessory for Brother PR Series embroidery machines, including models such as the PR1000e, PR1000, PR1050X, PR670E, and PR650E. This compact frame allows for precise and efficient embroidery, particularly for small designs. It features a magnetic design that ensures quick and secure fabric placement, making it ideal for projects that require accuracy and speed. The Arm M is necessary for use with these machines, providing added stability and ease during the embroidery process.