Brushless motor technology for higher performance, more compact dimensions and longer life. Ball threads provide a durable and highly efficient pulling mechanism, whose performance remains constant. With the planetary gear and engine located in the handle at the same time the center of gravity of the tool forms the tool for a perfect balance and high ergonomics in long-term use. Collection container and storage solution for mouthpieces, which are not used and are therefore not lost. Tool-free mouthpiece change as well as maintenance for quick cleaning of the jaws. LED for an optimum view of the work-piece.This text is machine translated.