This 4.00″ Round, with a center to center of the fastening holes at 3-3/8″. Finish is Matte Black Oceanus Octopus is Available and there is only one in stock at this price. Please note: This item is on clearance and will be sold As-is. This Item is a couple of small niks on the front side and a few on the back side, too small for my picture taking abilities to photograph. This product is sold as is and cannot be returned. A lot of years left in this stylish drain. This drain replaces your standard 4″ round Oatey.