Quick connect hydraulic pliers cold extrusion way to connect multiple stocks of aluminum, copper wire and connectors or sealing ends. When in use, according to the models being connected with wires to the appropriate size die, repeatedly pulling the handle up and down so far fit the mold. This tool has a crimp fast, easy balancing and operations, and safety. Crimp connectors or capped with a solid, seismic, crimping dense and low resistance characteristics. This tool is widely used in electric power, transportation, petroleum, chemical, mining, metallurgy and shipbuilding and other industries.