Milwaukee OPEN-LOK™ 2-1/2" Bi-Metal Multi-Material Blades, 3-Pack are crafted from premium high-speed steel and 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 versatile bi-metal blades are for detailed cutting tasks involving wood, nails, PVC, and drywall. Enhanced with a titanium coating, they 15 times longer life d to standard 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 applications. Model Number: 49-25-1243