I don't understand why Digitec has a few items from one system in inventory here. K2 has a mounting system that I could use to mount solar panels on the roof, but how can you get that from Digitec when there are only a few end and middle clamps for sale, without the rails to attach them and without hooks to attach the rails? Is there something I don't understand? Are there compatible rails from other brands? It would be helpful to link that to the product then.

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