Grohe 07 551 000 6-Inch Euro Escutcheon Plate For Covering Unused Mounting Holes, StarLight Chrome Durable long lasting finish Metal construction Easy installation 2 3/8-Inch wide 1 3/8-Inch hole diameter For use with centerset kitchen, bar, lavatory, and bidet faucets to cover unused mounting holes Model no. 07 551 000 Covers 4-Inches on center three-hole drillings