Google
These people really know what they're talking about. Won't push you to the most expensive product as they aim to make renewables as affordable as possible.
35mm squared cable end lug for crimping onto 35mm² multi-stranded battery cable. Heavy duty lug with flared cable entry. Tin plated copper. Made in the UK
The 6mm lug is particulary suited to the Outback panel mount DC breakers < 100A