This sleek vessel/bar sink pop-up drain assembly is simple to install and easy to operate. Simply push in stopper to seal water, push again to release. Made for sinks without an overflow and a standard sink opening of 1-1/4 to 1-1/2 inch. The tailpiece on this drain fits the standard or decorative US style traps, for a secure and leak free installation. You'll be able to appreciate both the beauty and performance of this item for years thanks to superior quality finishing and solid construction. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.