NBD provide an exposed 25mm round aluminum bar that is used on most roller blinds as standard. To suit your colour and design needs they are also available in an extensive color range that includes Brushed anodised silver, White, Birch white, Beige and Black.

NBD also have a new 15mm round base bar along with a symmetrical flat bar design to suit any design situation.

NBD have recently added a new Oval design base bar called Ellipse and is available right now.
As an option, NBD can also custom colour the base bar to suit your colour scheme (i.e.) to match the fabric colour chosen.