hexagonal crimping shape for almost round crimping and tight connections, self-adjusting for automatic adaptation to ferrules and with positive lock (unlockable) for consistently high crimp quality, reliable crimping of ferrules from 0.08 to 16 mm² (AWG 6) via change-over lever and all twin wire-end ferrules up to 2 x 10 mm² (AWG 2 x 8), automatic adjustment by self-adjustment to the required ferrule size for precise and fast crimping, safe and permanent precision due to unlockable positive lock, crimping pressure adjusted at the factory, high operating comfort due to less effort, force amplification by toggle joint for low-fatigue working, ergonomic, handy design, smooth-running and low weight, standard-compliant crimping of wire-end ferrules according to DIN 46228 part 1 + 4, chrome vanadium electrical steel in special quality, oil-hardened