【Easy to Operate】These ratchet crimping tools are pre-set (calibrated) at the factory before shipment. Optimum force transmission through lever action reduces operator fatigue High operator comfort thanks to its convenient shape and low weight. - 【0.25-10mm²/24-8AWG】Hexagonal crimping pliers for AWG 24-8 (0.25-10mm²) Cable end-sleeves.Hexagonal ferrule crimper suitable for insulated and uninsulated cable terminals. - 【Labor-Saving Ratchet Crimping Plier 】Ergonomic Handle Design provides improved gripping power. Adjustable Ratchet and Lever Action Construction reduces fatigue degree. - 【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. -