Professional-grade duct knife engineered for cutting fiberglass wool, duct, and duct boards with precision and durability. Features a double-edged serrated blade measuring 5 3/4" for efficient cutting through tough materials. The stainless steel construction resists corrosion and extends tool life, while the resharpenable blade design keeps your knife performing at peak sharpness. Heavy-duty wooden handle provides comfortable grip and control during extended use. Includes a convenient belt pouch for easy transport and storage on the job site.