PFAFF® Magnifying Lens SetEasily Magnify The Sewing Area In Front Of The Needle Creating Greater Visibility When Threading And Doing Detailed Sewing This set of magnifying lenses easily attaches to the sewing head and magnifies the sewing area in front of the needle. It provides much greater visibility when threading twin needles and doing detailed sewing. Three different strengths of lens allows you to choose the correct level of magnification for needle threading, detailed