●【Upgraded Ferrule Crimping Tool】 Six-sided zigzag crimping to make crimping firmer.Each kit comes with A handy ferrule crimping plier with 1900pcs wire ferrules.(Specific specifications are displayed on the details page) ●【Labor-Saving Ratchet Crimping Plier 】Ergonomic Handle Design provides improved gripping power. Adjustable Ratchet and Lever Action Construction reduces fatigue degree.For insulated and non-insulated cable lugs + 1,900 cable end lugs. ●【Self-Adjustable Ratchet】For pressing ferrules supplied from side 0.25-6mm²(AWG: 23 ~ 10). If the sleeve is not tightened, you can adjust the pressure ratchet.High quality crimping standard ensures repeatable crimping action. ●【Forced Lock】Quick release safety lock. Can be unlocked, always maintain the quality of high-pressure connection; crimp pressure is accurately calibrated at the factory. ●【Smart Design】Low grip, Lightweight; power amplification through the elbow,Ideal for crimping insulated and non-insulated wire ferrules.Preciva professional wire crimping tool could help you quickly complete the wiring, suitable for all kinds of equipment switches, batteries, cars and household, electronic components with pins etc. ●Gurantee: if you have any problem , please contact us.