1-1/2 in x 1-1/2 in or 1-1/2 in x 1-1/4 in. Quality since 1924. Flex 'n fix. For wall connection, in kitchen and bathroom. Compatible with brass plumbing. Extends from 6 in to 9-1/2 in. Contents: 1 J-Bend, 1 wall tube, 2 nuts, 1 washer 1-1/2 inch, 1 washer 1-1/2 inch x 1-1/4 inch. Ace Promise: Satisfaction guaranteed. www.acehardware.com. Manufactured in China.