Light, MAGNETIC LED books This handle will only work our trusted SEW RETRO This handle will only work for the Featherweight cases that have same D Ring Attaching style handles (see photo above) this is NOT the replacement for the Carrying Cases that had In line or Bakelite handles Its sleek design and simplistic ability for decorative stitching make it a wonderful accessory to have in your Singer Attachment collection Light takes 3 AA batters which are included when purchasing with only the standard Featherweight light illuminating then quickly switch to the other photo where you can see here how bright it is to focus directly on your stitching work