Bring the inviting warmth of nature to your front door with the addition of the Sun Door Knocker. Made of solid brass, this door knocker includes matching mounting hardware and striking plate. Signature Hardware 918391 Features: Solid brass construction ensures durability and withstands frequent use Mounts from inside on 3-5/8" centers on 1-3/4" door thick Covered under Signature Hardwares 10 year limited **Includes all necessary mounting hardware Signature Hardware 918391 Specifications: Height: 4-7/8" Width: 3-3/4" Depth: 1-1/8" Material: Brass Product Weight: 1.7 lbs.