The Milwaukee® Serrated Blade Insulation Knife has been engineered for optimal edge retention and durability. The stainless steel blade is designed to stay sharper longer when cutting mechanical and HVAC insulation. The Serrated blade is ideal for cutting through refrigeration foam, insulated hoses as well as standard insulation. A full metal tang provides durability for tough cuts and the rounded handle allows for smoothing tapes and adhesive laps. The Serrated Blade Insulation Knife includes a durable blade cover for storage.