The Pfaff twin needle 2.5mm is a specialty needle featuring two parallel needles spaced 2.5mm apart. Designed for creating perfectly even double rows of stitching, these needles are ideal for hemming, pintucks, and decorative stitching. Compatible with all sewing machines, they produce professional-looking results on a variety of fabrics. The 2.5mm spacing offers a balanced look for most general sewing applications.