Self-adjusting crimp pliers for crimping end sleeves (ferrules). Self adjusts to the correct size of the end sleeve which eliminates incorrect crimps.
22-17635 - Self-Adujusting Crimp Pliers for Square Crimping
22-17645 - Self-Adujusting Crimp Pliers for Hex Crimping
I have used MCM for many years and would give high recommendation for getting the job done right.