Multiple Specification -- This hydraulic crimper tool is forged and custom-designed to provide a maximum crimping force of 10T, crimps 12 AWG to 2/0 AWG size copper and aluminum wires. The crimping range is from 4 to 70 mm2(dies for the international unit). Package includes: 1pc hydraulic crimper, 1pc cable cutter, 9pairs crimping dies for copper/aluminum ONLY for Aluminum & Copper - This Hydraulic Crimper set can ONLY crimp aluminum or copper products for building wiring, NOT for stainless steel. We Have Upgraded This Crimper to Resolve the Problems Like Broken Head or Leaking Oil after Repeated Crimping. If You Encounter Situations Like This, Please Reach Us. NOTICE: However, if you are getting SWAGELESS cable railing kitfittings, there would be no need to use a Hydraulic Hand Crimper Simple to Use - The crimper is designed with an oil switch knob to control the pressure when you swage. The comfortable ergonomic cushioned handle makes it easy to grip and control. It is portable and easy to carry. Please note that the knob requires an excess of power to be fully tightened. When you find the crimper could not provide enough pressure, please check the knob and make sure it is fully tightened or need further tightening upe