Specifically designed to elevate the periosteum and aid in the separation of ligaments and bone during spinal surgeries, the Cobb Spinal Elevator is a specialist surgical tool used in neurosurgery procedures. With a blade width of 3/4 inch (19 mm) and an overall length of 11 inches (28 cm), this particular model is appropriate for accessing a variety of spinal structures. Its round knurled handle gives surgeons better control and grip when they're using it.