for solder-free electrical connections, manual force reduced by up to 30% compared to conventional crimping pliers thanks to leverage, consistently high crimping quality thanks to precision dies and forced lock (can be unlocked), crimping pressure is precisely set (calibrated) at the factory, two-hand operation for easy crimping of large conductor cross-sections, good handling thanks to balanced center of gravity, Angled head and ergonomically shaped handles, special quality chrome vanadium electric steel, oil-hardened