The small sturdy separate striker, a rounded rectangle, is 1" by 3.4". It is missing the part that gets attached to the piece and used for knocking but it can be easily ordered or replaced. Solid and quite sturdy and weighty.It is hand finished, and lacquered for tarnish resistance. Mounting hardware is not included. It mounts through the door. Colby smith has made superior door knockers in swansea, ma, since 1976.