I recently bought the TH0006 and it is a world of difference better than the HF crimper. 4/0+ I will buy custom made cables or go higher voltage to reduce wire size.Most hobbyists will be happy with the smaller TH0006 but 2/0 cable is small for me. I wont quote their price as i see it has gone up.
I bought direct. https://temcoindustrial.com