The hydraulic devices are suitable for the use in the electrical, heating and sanitary sectors. Their characteristic features are a compact inline design and low weight. Thanks to their powerful cutting performance, they can easily and efficiently be used to restore the power supply. The scissor-type cutting head of the NCT 25-A offers an improved steel cutting performance. The dies of the pliers do not need to be replaced and the head of the punching tool can be swivelled through 360 degrees.