With the use of the proper crimping tool this terminal gives the original finish for Your wiring loom.
This terminals can be used for wires with the given cross section and fits to the connectors shown on this page here.
Of course these terminals also can be soldered.
A simple soldering iron of app.30W wlill do the job.
The brass items are known as GHF2200 in the Unipart-system.
Available Options:
for wire cross section: