The Huion PW517 pen is one that comes many Huion tablets that use PenTech 3.0.
It seems (subjectively) to have around an IAF of around 3gf.
It's maximum pressure varies quite a bit depending on which unit your have.
If you have a tablet what is compatible with the PW517 pen, I strongly urge you to consider getting a PW550 pen which is also compatible but has generally a much better pressure range. my notes on the PW550 pen.