The ones from Capri are very decent, I use them often on air tool fittings (the thin part on the tool you need to hold), the price is right. I cant knock them.
Ignition wrenches if the head(s) are small enough.
Note: I've seen rounded off screw heads on older Japanese bikes because the difference between Japanese and Phillips head screws.
JIS. I realize that's a Kaw mower engine.
I was in a similar situation. I researched Stahwille,they were a lot thinner and cheaper than my normal Proto and SK.They are very high quality,I use Hand Tools from Germany,they come with in a week,on the brown truck.I've become a huge fan of Germany Quality Tools.