Every American Standard Commercial Faucets is designed to work flawlessly and dependably year after year, saving time, money and maintenance headaches.  For use with single post Selectronic & Metering faucets Forged brass construction Center fixation ring prevents the faucet spout from rotating 1-1/4" fixation bolts with quick spin nuts secure the plate to the deck 8" Deck Plate Dimensions: 10-1/8" x 2-3/8" x 9/16" (258 x 59 x 15mm)