This Jones Stephens B10104 is a regular basin nut that features a brass construction. It comes with a size of 1/2" - 14 x 9/16". Jones Stephens takes pride in providing their customers with quality products that are dependable and applicable for all of those who use them. These replacement parts and accessories are developed to both perform and to last. Together with Jones Stephens, we, at PlumbersStock, are determined to provide reliable products, like this B10104, that will meet your needs without costing a fortune.