https://www.homedepot.com/p/Milwauk...ating-Tool-Blade-2-Pack-49-25-1561W/328674302 2-Pack Milwaukee 1-3/8" Nitrus Carbide Extreme Materials Blade with Nitrus Carbide Extreme Metal Cutting Oscillating Tool Blade (49-25-1561W) for $16.13. Shipping is free or select free store pickup where stock permits.