The Milwaukee® Nitrus Carbide™ Extreme Materials Universal Fit Open-Lok™ Oscillating Multi-Tool Blades Provide The Ultimate Cutting Experience, Delivering The Fastest Cutting and Longest Life On The Jobsite. The Extreme Materials Nitrus Carbide™ Multi-Tool Blade Delivers 2X More Cuts Than Carbide Teeth Blades - Capable Of Hundreds Of Cuts In Screw-Embedded Wood. The Extreme Materials Blade Is Ideal For The Fastest Cutting In Screw-Embedded Wood, Nail-Embedded Wood, Plaster, Cement Board, Drywall, and PVC.