The 1901 Lab Sink 4 is made of durable solid fireclay. It's dimensions are approximately 460 x 365 x 200mm. Fireclay sink dimensions should be used only as a guide, each sink can vary 1-2%. It is recommended that the sink is measured on site. 1901 Fireclay sinks combine beauty with a hardwearing surface for practicality in your home. This sink includes a 32-40mm Chrome Plug & Waste Fitting. The 1901 Lab Sink 4 is designed to be installed drop in, or undermounted without the front exposed.