1.Precision Design Compound lever-action of non slip handle puts more crimping power into each squeeze, and minimize hand fatigue. Self-adjusting ratchet design improves accuracy and reliability during crimping to avoid wasted terminals.2.High Quality Material These crimper pliers are made of industrial grade high carbon steel with a black oxide, rust and corrosion resistant finish. The quadrilateral crimp profile design can provide excellent crimping ability and service life, simple operation and accurate increase work efficiency.3.Adjustable Crimping Force The crimping tool has a star wheel that allows to adjust crimping height to ensure the right amount of crimping force depending on your crimping project. A designated quick release lever allows opening the crimper jaws in any position, Make your work easier.4.Wide Use Ferrule crimping tool could help you quickly complete the wiring, ideal used in some small DIY projects, equipment switches, cars and household, electronic components with pins etc. 5.Perfect After-sales Service If for any reason you decide not to like it, you will get a full refund, we always put customer's requirements in the first place. Your advice makes us progress and your happiness is our greatest power.