For most sizes of automotive wiring, Good German or Japanese ratcheting crimpers are your friend. My son, an electrician, recommends Klein and Knipex. Some rather nice Knipex and Wiha are rebranded as Irwins, believe it or not, and sell for about 1/2 to 2/3ds the price of the Knipex and WIha brand. Look for the Made in Germany stamp to identify them.
Quality tools are expensive but rapidly pay for themselves if you value your time and peace of mind. Few things in life are more aggravating than cheap screwdrivers and those cheapo auto parts store crimpers that come with a hundred random terminals.
there is no need for brand name , if he gets Knipex terminal crimper it will cost him over 150 $ but on amazon you can get one for about 20 $ and wire striper for 30 $ that is total off 50 $
and it will work perfectly fine i m using cheap one over 15 years with no problems
I have used an S&G crimping tool that I got from Mac tools years ago. It works great but the one thing that I wish was a thing (and maybe it is, I just can't find it) would be terminal crimping tools that were just one size, to facilitate fixing wires in tight spaces or in a harness already.
Second on Wirefly for a terminal crimper. I have all of my Klein gear from work, but needed to add a terminal crimper - Been happy so far and cheap on Amazon.
If you need to crimp lugs at some point, these (or similar) work pretty well. Hydraulic is a little pricey for the half dozen lugs I need to crimp a year. They're also nice as small to throw in the tool box for the bush.
American made is a way of life. It will take your entire life to pay for it. I have made a conscious choice to go American made when I can. Some single use items are great from China but the quality of tools at a yard sale.....makes me happy.