Home Impressions 5 In. Stove Pipe Damper is designed with a unique spike and handle system that makes installation easy and secure. The damper’s point pierces through standard stove pipes, allowing for a snug fit. Crafted for durability, the steel spindle is made as a one-piece continuous piece, while the handle and spike are constructed from sturdy steel. The disc is made from cast iron, ensuring long-lasting performance. This damper maintains a full-tension grip that is unaffected by heat, and its spindle includes a hump guide to help it lock securely in place. It a practical and reliable solution for controlling airflow in stove pipes, enhancing the efficiency and safety of your heating system. Model Number: SPD-1003