Fireplace Damper Stop, Damper Flue Clamp, or Safety Lock - Set of 2
Brand: Dagan

Fireplace Damper Clamp. It attaches to the damper blade in both metal box type fireplaces or brick masonry fireplaces. The Damper Stop Clamp is installed on the chimney damper blade to prevent accidental full closure of the damper while the gas log set is burning in your fireplace It is required in many areas to keep the damper from closing all the way

Sturdy stamped steel
Use a 7/16" Wrench to install
Fits most residential damper blades
U. L. Listed