Strainer waste width: 80mm; Waste opening width: 90mm; Complete waste width: 115mmBolt length: 55mm, suitable for sinks up to 32mm thick, accommodating granite, thick ceramic, Butler, and Belfast sinksOutlet size: 1 1/2 inch British Standard Piping for universal compatibilityExtensible pipe length from 200mm up to over 400mm to fit various sink configurationsCompatible with stainless steel, granite, ceramic, and synthetic kitchen sinks requiring round or square overflow