We offer our own oak countertops. Typical thickness is usually 20 mm or 30 mm. They are made of whole plates and not glued together bars. If you wish, you can add a back border. The example above shows a 20 mm thick oak benchtop with an approximately 60 mm high back edge strip. The stainless steel sink matches well as it has the same thickness, depth and height of the splash back as the oak bench’s back edge strip.
Please see this fine example of how an oak countertop has been combined with a stainless steel sink: 1920’s kitchen in Gothenburg.