The Promed 1030 The file nail file features high quality „Made in Germany“ and ease of use. It is operated by a power supply unit; all single components are made of tested, high end materials. The low-vibration hand piece is made of stainless steel. The adjustment of the rotation speed works steplessly variable via the All-in-One button. It also defines the turning direction (start, stop, right- and left hand direction of the rotation). Moreover five, with SWAROVSKI ELEMENTS ennobled LEDs comfortably show the current rotation speed.