Tailpiece Double Flange 1.5 x 16 in. Double flange. 11/2 x 16. PVC. We are dedicated to give everyone the very best houseware products for all home needs, with a focus on dependability, our client satisfaction and great quality. We provide highquality modern products to be enjoyed by many clients. Specifications. Dimension 0.1 x 0.1 x 0.1 in.. Weight 0.28 lbs