This sink strainer coupling nut washer is the washer used between the shank of the sink strainer and the lip of the tailpiece. This 1-1/2 in. coupling nut is the connector between the sink strainer and the lip of the tailpiece. It is made of durable poly.
- Connection piece between the sink strainer and lip of the tailpiece
- Durable poly will endure the rigors of everyday use
- Bag of 20 coupling nut washers
- Made of durable rubber