Delta Faucet RP37775 Victorian， Extension kit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Adds 1-Inch to maximum deck thickness</li><li>For technical assistance， contact 1.800.345.DELTA</li><li>Designed exclusively for Delta faucets</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41mkEultwkL.jpg" noproxy>