For solderless electrical connections. Almost parallel crimping movement. Constantly high-quality crimping with precision profiles and forced closing (can be unlocked). Crimping pressure is precisely set (calibrated) at the factory. Power increase with lever transmission for fatigue-free work. Ergonomically designed handles. A wide selection of different crimp profiles for almost all crimp joints (see 97 Art. 49). More special profiles on request. Various positioning aids for precise positioning. Pliers without crimping insert and case, special quality chrome-vanadium electric steel, hardened in oil.