The MILWAUKEE® Universal Fit OPEN-LOK™ 3-Piece Multi-Material Oscillating Multi-Tool Blade Variety Pack contains blades ideal for cutting a variety of soft metals, wood, nails, PVC, drywall, and more. The included Titanium Enhanced Carbide Teeth Blade with a patent-pending aggressive tooth design lasts up to 50X longer in extreme materials compared to standard bi-metal blades. The Aggressive Carbide Teeth deliver faster cuts in wood without compromising life in other extreme materials. The Titanium Enhanced Bi-Metal Blade uses premium high-speed steel and lasts up to 15X longer than standard high carbon steel blades. The bi-metal blade is ideal for smooth cuts in wood & nails, PVC, and drywall. This oscillating tool blade variety pack is designed and made in the USA with global materials. Features: Carbide Teeth for up to 50x longer life vs bi-metal blades; Unique Aggressive Carbide Teeth for faster cuts; Reinforced Universal Fit OPEN-LOK™ anchor for better strength & control; Universal Fit OPEN-LOK™ Anchor fits all major brands of non-starlock tools; TITANIUM CHARGED™ bi-metal for up to 15X Longer Life vs High Carbon Steel Blades; TITANIUM CHARGED™ bi-metal blades utilize an optimized titanium blend for maximum wear-resistance and longer life; For use in Multi-Material applications: wood, screws, nails, cement board, plaster, and more; Protective black oxide coating for corrosion resistance; Long lasting laser etching for clear and easy blade identification; Cut-away blade body shape for fast plunge cuts; Made in the USA with global materials; Includes: (1) OPEN-LOK™ 1-3/8\" Carbide Teeth Multi-Material Multi-Tool Blade, (1) OPEN-LOK™ 1-3/8\" TITANIUM CHARGED™ Bi-Metal Multi-Material Multi-Tool Blade, (1) OPEN-LOK™ 2-1/2\" TITANIUM CHARGED™ Bi-Metal Multi-Material Multi-Tool Blade