Self-Adjusting Crimping Pliers for wire ferrules For wire ferrules up to 16 mm². Adjusts automatically to the wire ferrule size for precise and quick crimping. Crimping of wire ferrules according to DIN 46228 parts 1+4. UL approval in conjunction with KNIPEX wire ferrules 97 99 330 - 399. Repetitive, high crimping quality due to ratchet mechanism (unlockable). Tools have been set precisely (calibrated) in the factory. Optimum transmission of force thanks to toggle lever for fatigue-reduced operation. Narrow handle width. Ergonomic and comfortable handle, smooth operation and lightweight. Special quality chrome vanadium electric steel, oil-hardened. with hexagonal compression. also for Twin wire ferrules up to 2 x 10 mm² or 2 x AWG 8.