Rectangle undermount kitchen sink bowl – To be mounted under the counter top. Supplied here in a brushed steel matt finish. Stainless steel 1.2mm thickness (very strong). Good quality 304 grade stainless steel that will not rust. Fitted with high density sound deadening pads for quieter performance. Includes chrome strainer waste plug and overflow. The waste hole is 90mm in diameter and can take a waste disposal unit. Includes noise reduction material under the bowl. Comes with a 5 year guarantee.