Check the listing for details. Milwaukee 48-22-1927 Duct Knife. Condition: New. Listed at 24.99 USD. Milwaukee 48-22-1927 Duct Knife OverviewThe MILWAUKEE Duct Knife is designed for optimal edge retention and durability. The stainless steel blade is engineered to stay sharper up to 5X longer when cutting flexible ducts and insulation. The double edge blade allows for a wide range of applications. A full metal tang provides durability for tough cuts. Includes a durable sheath with a belt clip for easy carry and storage. FeaturesStays sharper longer Full metal tang for tough cuts Durable sheath with belt clip Stainless steel blade Tether ready lanyard hole Double-Edged Blade For use in flex duct and insulation Cryogenically hardened Limited lifetime warranty SpecificationsMaterial Composition: Stainless SteelLength: 10.71 inWeight: 0.344 lbHeight: 0.95 inWidth: 1.59 in