Crimping Tool Designed For Non-insulated Terminals-The professional jaws can quickly and easily crimp various types of non-insulated terminals. The indentation will not damage the shell during the crimp. It firmly grasps the wires. Each crimper tool is marked with wire size for easy identification..Precise Ratchet Structure-According to the pressure needed to crimp products of different sizes, the built-in thickened ratchet automatically adjusts to the appropriate position to ensure the safe completion of crimping with easy release of the handle. The crimp height of the star wheel is adjustable to ensure the right amount of crimping force..Ergonomic Design- The nylon, non-slip handle ensures comfortable and swift operation. There is a quick-release lever on the inside of the handle that opens the jaws..Perfect Combination- We recommend using crimper tools with Haisstronica wire connectors to meet your work's different needs..BUYER CONFIDENCE:We stand behind the quality of our products. If for any reason you are not satisfied with your purchase,please contact us.We offer a 30-day money-back guarantee,and a 12-month replacement warranty giving customers a 100% Satisfaction Guarantee for risk-free purchases!