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I only use Bimble Solar for all my solar needs, as they know their stuff, they are a local UK company, have very competive prices and their bundles are very easy to get started.
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