Crimping pliers with hexagonal crimp for a approximately circular crimping, especially suitable for confined connection dimensions; self-adjusting for automatic adjusting the size of wire ferrules and with rtchet mecanism for repetitive, high crimping quality; reliable hexagonal crimping of wire ferrules or 0.08 to 16 mm² by simply turning and setting the adjusting wheel and all twin wire ferrules up to 2 x 1ß mm² (AWG 2 x 8)