The Bosch 2-1/2″ Starlock Bi-Metal Oscillating Blade is a durable and high-performance tool accessory designed for use with oscillating multi-tools. It features Starlock mounting technology, providing a quick, secure, and tool-free attachment for optimal power transfer. The bi-metal construction combines high-speed steel (HSS) and carbon steel, making the blade strong and versatile enough to handle tough tasks, including cutting through wood, nails, drywall, plastic, and thin metals.The blade has a 2-1/2″ cutting width, which allows for precise cuts in tight spaces and is ideal for flush cutting, plunge cutting, or trimming tasks. The bi-metal design ensures long-lasting sharpness and durability, resisting wear even during heavy-duty applications. The Starlock interface enhances stability and reduces vibrations, delivering smoother and more controlled cuts. This oscillating blade is suitable for professionals and DIYers who need reliable, high-quality cutting performance for a variety of materials.