Door Knocker Black Cast Iron Dog 7 5/8" H X 2 1/2" W | Renovator's Supply Dog Lover Door Knocker that makes a great first impression. Step-up your curb appeal and make your entrance a knockout! 7 5/8 H x 2 1/2 W. Weatherproofed Exclusively with RSF baked-on finish Tarnish resistant keeps a luxurious matte finish Maintenance-free hardware