Innovation and the use of the latest technologies are the specialty of the Husqvarna-Pfaff concern. Husqvarna machines in the models of the Opal, Sapphire and Topaz series use an innovative solution: the Exclusive Sensor System. The sensor measures the height of the material at any time, at each needle insertion, and perfectly adjusts the presser foot pressure. The foot floats on the material. The result is perfect sewing and perfect, every single stitch!