Perfect for applique and other sewing applications requiring an unobstructed vie w of the sewing areas. Produce beautiful applique quickly and easily with this foot. Use with a pin-stitch or shell-edging program to achieve an applique with the look of hand-sewn overcasting. This metal foot has a 6mm width opening, and fits most models of Pfaff machines, except the 300 and 900 series, the 6085/86/87 models, and the 1020/30/40 series of machines.