Abstract: Devices including a magnetostrictive transducer, an oscillating system and a tool for ultrasonic impact treatment of constructions, construction units and components of machines and mechanisms are disclosed. The invention provides high reliability of magnetostrictive transducers, oscillating systems and their components, tools and their parts affected by simultaneous action of static, dynamic and impact load on a work surface, high stability of characteristics and interchangeability thereof under conditions of small-scale, full-scale and mass production. The invention also includes design solutions with the use of new methods of the realization and manufacturing technique of the above.