The Quatrus ergon sink rails are made of durable stainless steel sink rails and capped in hard plastic to provide a secure and protected point of contact on the sinks' interior ledge. Use them to hang and dry cleaning cloths and sponges, suspend pots and colanders over the sink, or even use them on your countertop as a trivet for hot pots. Neatly stack to one side and save space when not in use. Blanco 235906 Features: Blanco 235906 Specifications: