The Drain Fitting, model LKAD35, is an offset drain fitting designed for use in wheelchair-accessible bathrooms and kitchens. This fitting has a stainless steel body and strainer basket, with a chrome-plated brass tailpiece that is offset to allow wheelchairs to fit under the sink. The drainer has a flex stem and rubber stopper. DIMENSIONS: Drain opening is 3.5 inches in diameter. The top diameter is 4.5 inches. The tailpiece is offset 12.75 inches.