SECURE DUCTWORK INSTALLATION - Ensure a tight connection between duct connector tabs with Midwest's Duct Tightener, simplifying the process of drive cleat installation for seamless duct assembly. EFFORTLESS CLEATING - Easily join and clamp duct runs together using our duct tightener, streamlining the drive V-lock insertion into duct flanges with a hammer for efficient installation. VERSATILE APPLICATION - Perfect for HVAC professionals and DIY enthusiasts, our duct tightener offers versatility in joining and clamping duct runs together. CONVENIENT REMOVAL - Drive cleats over flanges with ease and remove the duct tightener after cleat placement, providing a straightforward experience for installation and adjustment tasks. MADE IN THE USA - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.