LASCO 03-4011 1-1/2-Inch, Chrome Plated Brass, Slip Joint Three Sides, With Washers and Nuts. Chrome plated. 22 Gauge metal tubular. Drain connection includes (3) die cast slip joint nuts and (3) 1-1/2-Inch slip joint washers for complete installation. Commonly used with kitchen, laundry, or bathroom sinks. For use as a tube slip joint Tee for easy connections of brass and plastic piping, intended for 1-1/2-Inch tubing.