Edge Water Lateral File Estate Black By Sauder. Looking for a solution for your unorganized mess of papers? Check out this lateral file from the Edge Water collection. It features two drawers with full extension slides to hold letter or legal size hanging files. It also includes a patented, interlocking safety mechanism that allows only one drawer to open at a time. Finished in a classy Estate Black, this lateral file will get the job done and look good while doing it. Drawers with full extension slides hold letter or legal size hanging files. Patented, interlocking safety mechanism allows only one drawer open at a time. Estate Black finish.