The Do it Best 1-1/2 In. x 16 In. Black Plastic Double-Flanged Sink Tailpiece allows for a direct connection to the kitchen sink strainer. Featuring a double-flange for easy connection on either side, simply cut tailpiece to the desired length to complete installation. Constructed of durable black polypropylene, the tailpiece is 16 In. in length with an 1-1/2 In. flanged inlet and outlet. Nuts and washers not included.