Crimping Pliers Also for two-hand operation | Knipex- electrical crimping pliers set of 2 times square ,Extremely user-friendly crimping pliers with lever transmission. For non-insulated blade terminal connectors with 2.8 + 4.8 mm plug width and open cable entry. Long lever arm for one-handed and two-handed operation. Toggle lever system for high efficiency. Integral lock (with release mechanism) only triggers on reaching the optimal crimping ...The Best Crimping Tools for Wiring Projects - Bob VilaMost crimping tools are squeezed like you would a pair of pliers, though they are larger and their mechanisms and jaws vary considerably. Each is designed to suit a specific range of wiring jobs.