The Neurosurgery Surgical Rotating Kerrison Shaft, 8″ (200mm) Straight, 1.5mm, 90° Up, Stainless Steel, Requires 70-2390 Micro is a precision detachable Kerrison shaft designed for delicate bone removal during neurosurgical and spinal procedures. Featuring a 1.5mm footplate, 90° up-biting jaw, rotating shaft mechanism, and compatibility with the 70-2390 Micro Handle, it delivers exceptional control, accuracy, and long-lasting performance.