Milwaukee - 48-22-1922 Serrated Blade Insulation Knife.

The Milwaukee® Smooth Blade Insulation Knife is designed for optimal edge retention and durability.  The stainless steel blade is engineered to stay sharper longer when cutting mechanical and HVAC insulation.  A full metal tang provides durability for tough cuts and the rounded handle allows for smoothing tapes and adhesive laps.  Includes a durable blade cover for storage.