That type is suitable for crimping 'bootlace ferrules'
The one I suggested earlier from Screwfix is suitable for the 'spade' type connectors which is the type you would use on the sockets pictured at the beginning of this thread. You just need to get the correct size ones to fit.
a suggested couple of websites to look at are:
https://cpc.farnell.com/
https://www.rapidonline.com/