We can make the insert bar and insert cover with both plastic and aluminum, and it used for store show racks, it can hang all kinds of tools and products for the sale show.
And it's widely used in the store and tools shop, and it's good design for the the store and tool shops.
And in PVC materials, it can be white, yellow and black, it's normal color for PVC.
And in Aluminum materials, it can be silver anodized, and powder coating white and black, also can be other colors which you need to paint.
Anyway, wait for your early and kind enquiry for this products.