This Wiha torx T10 screwdriver is one of the two sizes needed to work on our Skaha folding knife. We use T10 size heads on both the Skaha’s pivot screws, and although the pivot pin is free turning, we find that one driver is all you need to adjust pivot preload: you should not need to hold one side while adjusting the other.
This is a very well made tool that just works.
We also sell a T8 driver for the Skaha’s other screws and also offer a multi-bit driver set that handles both T10 and T8 and a bunch more. See product links below.