RSTco. furniture is pleased to offer KURUMI: North American Black Walnut that is lightly CHARRED and then prefinished with either hardwax oil or a conversion varnish. We recently created 2 of these KURUMI table tops for reDISTRICT based out of Alexandria, VA. The tops are 30” X 30” X 1-3/4” thick. Learn more about RSTco. furniture and our collaborative design process. KURUMI can also be used for interior wall cladding & millwork – request samples here.