Powered by an impact driver, this duct crimper ensures high efficiency, easy control, and safe operation. Impact power assisted crimper efficiently crimp the tube wall of duct into a serrated shape for swagging. Ideal for air conditioner installation, it opens and connects two copper pipes securely. Made from premium high-speed steel, the crimper boasts a sturdy structure, ensuring durability for long-term use. The universal hex shank provides wide compatibility, enhancing working stability and ease of installation., Weight: 1.67220625727 pounds, Manufacturer: YRREATY