Hi, I have the below wine rack to attach to an exposed brick wall. It is 1m in length with the tubing being approx 10mm thick. It has 4 x 5mm fixing holes pre drilled into it. https://www.manomano.co.uk/p/wall-mounted-wine-rack-for-7-bottles-black-metal-21370317?model_id=21360572 It came with plugs ...