Milwaukee OPEN-LOK™ 2-1/2" Oscillating Blades, 3-Pack are crafted from premium high-speed steel, designed specifically for use with Oscillating Multi-Tools. Their unique cut-away body shape allows for faster plunge cuts, while the raised Open-Lok™ Anchor ensures quicker blade changes and enables flush cuts with ease. These bi-metal blades are for making precise detail cuts in wood, nails, PVC, and drywall. Enhanced with a titanium coating, they deliver 15 times longer life d to high carbon steel blades. Additionally, the blades feature a protective black oxide coating and are laser etched for easy identification, making them a reliable and durable choice for various cutting tasks. Model Number: 49-25-1113