Durability & Safety:P Hydraulic Crimping Insert Made of durable materials with high strength and good toughness. When the pressure reaches the maximum value, it is released automatically. It provides stable crimping with low resistance and high efficiency. Humanized Design: The hydraulic crimping tool is designed for the connection and sealing of electrical wiring lines when installing electrical and wiring equipment. With this professional crimping tool, you can crimp wires and connectors with ease. This is much easier than using a pair of manual crimping pliers. It provides more reliable and convenient crimping operations. Wide Application: Hydraulic crimping machine It is equipped with 9 sets of crimping dies, and its head can freely rotate 180 to enjoy a narrow working space, a good choice for battery and battery cables.