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 kitchen or bathroom. Compatible with brass plumbing. Extends from 6 in to 9-1/2 in. ACE Promise: Satisfaction guaranteed. www.acehardware.com. Manufactured in China.