crimping metal pipes up to 24-Gauge steel and 28-Gauge stainless steel ductwork with ease. The ergonomic handle design significantly reduces hand fatigue, ensuring comfort and productivity even during extended use. An integrated lanyard tether hole offers added security for users working at heights, promoting a safer work environment. The innovative 5-blade configuration allows for swift and precise crimping of sheet metal pipes, enhancing work efficiency. The tool's compact design, complemented by an integrated safety lock, ensures easy storage and protects the crimping heads from damage. With a zinc-plated finish, this gutter crimping tool stands up to harsh jobsite conditions, demonstrating resilience and reliability even under tough work scenarios. It is designed to withstand the tough conditions that workers face daily, making it a valuable asset for professionals in the HVAC industry. Whether you're a seasoned professional or a DIY enthusiast, this Heavy Duty Downspout Crimper Tool is a must-have for your next project. Material: Alloy.