Delta® MagnaTite® Docking uses a powerful integrated magnet to set your pull down sprayer precisely into place and hold it there so it stays docked when not in use. Delta® kitchen faucets with DIAMOND™ Seal Technology perform like new for life with a patented design which reduces leak points, is less hassle to install and lasts twice as long as the industry standard. You can install with confidence, knowing that Delta kitchen faucets are backed by our Lifetime Limited Warranty.