Strainer waste width measures 80mm, with a waste opening of 90mm and complete waste width of 115mmBolt length of 55mm accommodates sink thicknesses up to 32mm, ideal for granite, thick ceramic, Butler, and Belfast sinksOutlet size conforms to 1 1/2 inch British Standard Piping for easy installationAdjustable pipe length extends from 200mm up to over 400mm, providing flexible fitting optionsCompatible with stainless steel, granite, ceramic, and synthetic kitchen sinks requiring round or square overflow