Self-adjustable Ratchet:The crimper can self-adjusting the appropriate diameter for stripping terminals,ratchet pliers are crimped accurately,which improves accuracy and reliability during crimping to avoid wasting terminals.Helps to shorten the working time of electricians or assemblers. Precise Square Crimping: Upgraded square profile ensures solid and uniform crimping. Avoids wire loosening or falling Crimping Range: Durable and compact structure,wire ferrule kit for insulated and uninsulated connectors, the crimping area is 0.25-10 mm², AWG 23-7.Square jaw wire crimping to make crimping firmer. Ergonomically Designed for Comfort: Featuring a soft thermoplastic rubber (TPR) handle, this ferrule crimping tool provides a secure, cushioned grip that conforms to your hand, greatly enhancing comfort and minimizing fatigue during prolonged use. Complete Crimping Tool Kit: Every order comes with a ferrule crimping tool and 1200pcs insulated wiring terminals to support small DIY pro