Crimping Tool For Insulated Electrical Connector that features an efficient ratchet mechanism and finish-machined crimp die for a solid crimp. This crimping tool fits perfectly with non-Insulated terminals.The crimping process is accomplished by pressing the handle through a complete ratcheting cycle until the handle is automatically released. Due to the ratchet, you are able to secure the connector first and then insert the wire into the crimp.Ratchet Crimping Plier -Crimping Tool For Insulated Electrical Connectors - Ratcheting Wire Crimper