I bought a double Bekräfta curtain pole from ikea but only needed one in the end. Have a spare extendable pole with some fittings that were left over, but not everything you’d need to attach to wall. Check on the ikea website if you need more details.
Collection Leamington Avenue E17
Ikea curtain pole spare parts (Walthamstow E17)
This offer has been gifted to someone and is no longer available.