The McAlpine BSW21P Centre Pin Sink Waste is a plumbing component designed for connecting a sink to the drainage system. It features an 85mm stainless steel flange for a secure fit in the sink's waste hole and includes a plug to control water flow. The "Centre Pin" design utilizes a unique locking mechanism for easier installation and a more reliable, leak-resistant connection compared to traditional screw-in wastes. This high-quality component ensures a durable and dependable link between your sink and the drainage system. It offers a quick, simple, and neat installation with a centre pin dry fixing connection, saving on materials and labor. The polished stainless steel flange resists deterioration, maintaining its appearance. Available in various sizes (1¼", 1½", and 2") with a black PVC plug, and can be purchased with or without a chain and stay.