The Swiss Singer Automatic Zig Zagger is considered to be the best zig-zagger ever produced. As its name suggests, it is Swiss quality made.
As a BONUS the Zig Zagger can be used as a walking foot.
The manual is a reproduction.
This Swiss Singer Automatic Zig-Zag Attachment Singer part 160991 is complete and in excellent condition.
The Swiss zig-zagger comes with the original ten original different zigzag cogs and cog tray.
The cream colored Bakelite in both the case and on the zig-zagger is in excellent condition with no cracks in the cream Bakelite case.
The case is 4.5" x 2" x 2" and easily fits into a Featherweight carrying case.
The attachment not only zig-zags and sews a straight stitch but has feed dogs so that it can be used as a walking foot.