☀【USA STOCK! Emergency Stop Button】: Emergency stop button enhance security. The largest production company in the Power Milling Machines industry. Have the most professional technical team. Don’t worry about how to operating. Our products are already registered trademarks in the United States. This is our trademark “CNCEST”. Therefore, 100% product quality assurance. ☀【FREE SHIPPING! Simple Operation and Installation】: Our Power Milling Machines can be controlled by computer. Equipped with a CD, you can install the driver more easily and use our 4 Axis 6040 USB Port Engraving Cutting MACHINE. ☀【Mach 3 Software is Simple and Intelligent】: High Precision Stepping motor makes engraving more precise and the Milling Machine can control the engraving more precise. If you have any questions or need help with our engraving machine, please feel free to contact us. We will arrange for you to arrange a professional technician to solve all your problems. Please note that if you do not understanding how to using, please contact us and we will give you the correct guidance. And then, you can using ☀【Aluminum Alloy Frame Materials】: More steady and strong equipped with aluminum alloy frame materials.The chrome shafts is not easy to deform,suitable for long time use.The reinforced and thickened machine body make transportation absolutely to be safer and longer life time. ☀【High Torque Transmission】: Flexible coupling can be used for high torque transmission.Cover plates reducing pollution for the screws and shafts.Spindle motor knob is useful for small positioning adjustment ,with steady and strong support structure. If you have any questions or need help with our engraving machine, please feel free to contact us. We will arrange for you to arrange a professional technician to solve all your problems.