The Milwaukee® Open-Lok™ All-Purpose Oscillating Multi-Tool Blade Variety Pack 3PC Provides You With An Assortment Of Blades In The Three Most Common Cutting Applications: Metal, Wood & Nails, and Hardwood. The Set Includes A Carbide Teeth Metal Blade That Lasts Up to 50X Longer Than Standard Bi-Metal Blades and Can Be Used In A Wide Range Of Metal Materials While Maintaining Longer Blade Life Such As; Screws, Bolts, Nails, and More. The Titanium Charged™ Bi-Metal Blade Has An Optimized Titanium Blend For