The Milwaukee 5-Blade Pipe Crimper provides deep, consistent crimps in up to 22 Gal. Cold rolled steel. The patent-pending reinforced crimper ribs add stiffness to each blade for aggressive crimps. Patent-pending 1-thumb open and lock mechanism makes the tool easy to use while over mold grips increase tool durability. Rust resistance and a heavy duty spring ensure the tool will survive jobsite conditions.