-Material: Granite Quartz Stone Technical Information -Installation: Top-Mount(Drop-In) , Flush-Mount and Under-Mount -Strainer Waste: Included -Waste Size: 90 mm -Thickness: 10 mm -Internal Radius: R 10 -Come with pre-cut hole Size and Dimensions -Overall Size: 400 mm x 500 m x 200 mm -Bowl Size: 350 mm x 380 x 200 mm -Cut Out Size: 380 mm x 480 mm (Reference Only)