Comparison of the DuPont Mini-PV crimp tool, and the (improper) die of a typical budget tool. (Credit: Matt Millman) Unfortunately it’s not entirely the right shape when you look closer.

Finally, the Ratchet Crimp Pliers are a more expensive take on the same tool but with a set of removable dies bearing the same coloured dots to denote crimp sizes. I can buy dies appropriate to ...