Proper use of old style hand crimpers

Pawned said
It is my understanding that this is the porper die for a crimp tool use on a solderless connector

View attachment 1715196608

..............
I suggest something like this.
The colors designate wire size.
Yellow = 10 and 12 gauge
Blue = 14 and 16 gauge
Red = 18 - 22 gauge.
I would get a Klein or Greenlee tool.