Milwaukee OPEN-LOK™ 2-1/2" Bi-Metal Blades, 10-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 flush cuts. These versatile bi-metal blades are for detailed cutting tasks in wood, nails, PVC, and drywall. Enhanced with a titanium coating, they 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 durable and efficient choice for your cutting needs. Model Number: 49-25-1249