Screw Extractor 6" comes in three handy sizes 1.5mm, 2.5mm, and 3.5mm designed to match different screw diameters used in orthopedic and spinal procedures. Each size targets a specific range of broken or stripped screws, giving surgeons the right fit for delicate or standard bone work. You can also get the complete Set of 3, which covers all sizes and keeps you prepared for any situation in the operating room.