The Carlisle Brass Urn Door Knocker PVD Stainless Brass has a traditional design and would look wonderful on any front door. The classical urn design is reminiscent of the Greek history period and coordinates well with many other classically traditional styles of today. This knocker is made from solid brass and has a PVD stainless brass finish. PVD Stainless Brass is a finish which has a unique 25 year guarantee. Stainless brass is produced by a process known as physical vapour deposition (PVD).  In laymans terms the process involves chrome plating, with zirconiu...