This is a scarce Swiss made Singer sewing machine automatic zigzag attachment, part #160990. This complete set includes the following: Swiss zigzag attachment which also doubles as a very effective walking foot, long thumb screw for mounting, throat plate cover with screw, 5 stitch cams, celluloid case and the original instruction manual.

Compatible with low shank machines including the 15, 66, 99, 127, 128, 201, 221 / 222K Featherweight, etc

The celluloid case is free from cracks, hinge is intact, the interior has some discoloration. The attachment is clean and rust free. The feed cover plate has minor scuffs on the surface. It has been tested and functions well, stitch width and length can be adjusted to your preference. Made in Switzerland - A top quality attachment!