OUKU Lightinthebox Square Design Tile-in Shower Drain, Polished Chrome Bathroom Accessory Antique Brass Finish Solid Brass Floor Drain Size: 100 x 100 x 40mm Fit for 50-60mm hole size Easy installation, mounting hardware included.Instruction sheet and template included for easy installation. Easy to install and clean, light, convenient. LightInTheBox Are Registered Brands in USA With No Retailers on Amazon.LightInTheBox has been a Public Company in NYSE Since 2013.