The JB Kind River Oak Traditional Derwent Internal Door Unfinished 1981 X 838 X 35Mm Is available to order online with BSO Traditional style oak veneered internal door with 4 flat panels. Classic style real oak veneered internal door Four flat panels of quarter sawn oak Solid core construction Supplied ready to stain or varnish Fire door options available PLEASE NOTE - We recommend minimal trimming (2-3mm) on all products as taking much more off would invalidate any warranty.