This professional hydraulic wire crimper provides reliable crimping operations for wires and terminals with 12 tons of maximum crimping power. The set includes 12 hardened steel dies with chrome finish in sizes ranging from 10mm² to 300mm², accommodating aluminum wire terminals from 16mm² to 240mm² and copper wire from 16mm² to 300mm². The crimper features a 180-degree rotatable head for working in narrow spaces and includes a safety valve that automatically releases pressure when the maximum limit is reached to prevent over-pressurization. Constructed from cast iron with rubber grips, this tool offers superior strength and toughness for long-lasting performance. The complete set comes in a convenient storage box for organized tool management. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.