Impact power assisted crimper efficiently crimp the tube wall of duct into a serrated shape for swagging. Made from premium high-speed steel, the crimper boasts a sturdy structure, ensuring durability for long-term use. Powered by an impact driver, this duct crimper ensures high efficiency, easy control, and safe operation. Ideal for air conditioner installation, it opens and connects two copper pipes securely. The universal hex shank provides wide compatibility, enhancing working stability and ease of installation., Weight: 1.763698096 pounds, Manufacturer: Ounfhtrttk