Bernina Patchwork With Guide F97DThe patchwork specialist for a 9 mm stitch widthFor patchwork projects with seam allowances of 3 mm (1/8″), 6 mm (¼”) and 7.5 mm (1/3″)Three notches on the side for precise guidanceFor 9 mm machinesThe BERNINA Patchwork Foot #97D is designed for straight-stitching and is ideal for sewing ¼” or 1/8 ” seam allowances and top stitching. It is available for BERNINA machines that have a maximum stitch width of 9mm. The foot print of the sole fits perfectly with the feeding system for the most accurate feeding and stitching when piecing patchwork blocks on a 9mm BERNINA machine. The Patchwork Foot #97 has an optional move-able seam guide. If the Patchwork Foot #97 comes as a standard accessory with a BERNINA machine, then the seam guide has to be bought separately.The seam guide aids in sewing perfectly straight ¼” seams. Especially helpful for beginners, this guide also offers extra insurance to experienced piecers. The Straight Stitch Plate is recommended to be used in conjunction with the Patchwork Foot.