delta 19912z-blsd-dst deluca single-handle pull-down sprayer kitchen faucet with shieldspray technology and soap dispenser in matte black delta delta magnatite docking uses a powerful integrated magnet to pull your faucet spray wand precisely into place and hold it there so it stays docked when not in use. delta shieldspray technology cleans with laser-like precision while containing mess and splatter. a concentrated jet powers away stubborn messes while an innovative shield of water contains splatter and clears off the mess, so you can spend less time soaking, scrubbing and shirt swapping. delta 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. kitchen faucets with touch-clean spray holes allow you to easily wipe away calcium and lime build-up with the touch of a finger.