Milwaukee 48-22-1921 - Straight Edge Insulation Knife pipe threading The 3X high-speed rewind gearing

The 3X high-speed rewind gearing is made up of metal

The General Purpose Carbide Teeth Hole Saw Set features 5 carbide hole saw cups and Diablo's 4-piece Snap-Lock Plus™ Mandrel System for quick and easy hole saw cup changes for maximum job performance

An ergonomic handle with Softgrip® and strategic texturing enhances comfort and features bigger loops for large gloved hands

Solid aluminum extruded square will not bend or break

Milwaukee 48-22-1921 - Straight Edge Insulation Knife pipe threading The 3X high-speed rewind gearingThe Milwaukee straight edge insulation knife is designed for optimal edge retention and durability. The stainless steel blade is engineered to stay sharper up to 2X 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. Features Stainless steel blade Full tang for tough cuts Rounded handle