Singer set No 4 yellow pattern stitch cams for use with the automatic zigzagger attachment #160985, #160986, #161157 or #161102. The cams, instruction sheet and original box are in good vintage condition with typical signs of use / age. Comes with the following stitch cams: #161071 Curved mending, #161072 Open scallop, #161073 Three step & #161074 Solid scallop *See second picture for stitch diagram.