Then, put the connector into a suitably sized space in the jaws, insert the wire, and crimp it down. For non-ratcheting pliers, it’s suggested the connector be re-crimped with the next smallest ...
Clamp a crimp connector in these with a wire inserted, squeeze the handles, and it makes the appropriate connection. Finally, the Ratchet Crimp Pliers are a more expensive take on the same tool ...