With powerful motor of 1320 W. With ergonomic shape and light weight ideal, for use in difficult working positions. With adjustable depth and maximum support in the capture part. Provides high work efficiency and eliminates the need to use the arm and chisel as the main tool for opening channels in the walls. The high speed of 9000 rpm, makes the progress of opening the canal very high. The presence of the vacuum cleaner connection option eliminates the creation of harmful dust in the work environment. Professional tool, which is widely used in the electrical installation industry.