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A common architectural feature, usually found above arches , windows and doors. Keystones used years ago as structural support, now Keystones is a popular design feature that can be used on their own or in conjunction with a standard Head.

Our selection of Keystones is available in a range of natural stone colour that will work with a variety of design schemes.

Petra Design use a high quality material that will not rust , rot or crack so you do not need to worry about extra maintenance.