LASCO 03-2573 22-Gauge Brass Tubular Slip Joint Extension with Nut and Washer, 1 1/2-Inch x 8-Inch, Satin Finish Satin finish 1 1/2-Inch OD x 8-Inch slip joint extension tube 22 gauge Drain connection includes nut and washer for a complete installation Commonly used with kitchen or laundry sinks Used to extend lavatory drains