This pendant design is based on the knotwork designs used by the Celtic monks and scribes who produced the artworks of the early Christian period of Irish history 6-9th Cent A.D. such as the Book of Kells and the Book of Armagh.This type of design was used as a border design usually placed in the corner of the pages. This pendant is 39mm x 5mm in size.The pendant is available in three finishes,brass,bronze and pewter. Please specify which finish is required when ordering.