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A really helpful Vendor that communicate with their customers. I was looking for 10mm_ MC4 connectors. They explained that the MC4 body was common throughout 4mm_ to 10mm_. Only the copper terminal changes. First rate
6mm squared flat pin lug for crimping onto 6mm² multi-stranded battery or solar cable. Allows for neat and secure termination of cable into screw terminals in charge controllers or our PV combiner boxes. Tin plated copper. Made in the UK