This is a 1930's Vintage Singer Adjustable Zigzag Attachment #121706 for Low Shank Sewing Machines.

It fits many brands of vintage side attaching, low shank, straight stitch sewing machines. And specially many Singer models like the popular class 15 and class 66. It also fits many other Singer models like the 27, 28, 99, 101, 127, 128, 185, 201, and including the Featherweight 221 and 222.

The attachment is in very good condition. The box and booklet look great, as in hardly used.

Complete and includes:

• Zig Zag Attachment
• Adjustable Edge/Cording Guide
• Attaching Screw
• Original Instruction Manual and Box.