Vintage Singer slant shank automatic zigzagger attachment with 4 cams for class 301 & 404 machines. This attachment is in very nice vintage condition with minor signs of use. Comes with the original box and instructions, the box will show typical signs of age and may vary from the example shown. Original, genuine Simanco Part #161103, 161158 or 160986. Comes with the following stitch cams #161000, 161001, 161002, 161003. *Please note that this attachment is for use with slant shank machines only