The Neurosurgery Rotating Kerrison Shaft, 8″ (200mm) Straight, 5mm, 40° Up, Panther Shaft Only, Requires 70-2390P Micro is a premium detachable Kerrison shaft engineered for accurate bone removal during neurosurgical and spinal procedures. Featuring a Panther-coated rotating shaft, 5mm footplate, 40° up-biting jaw, and compatibility with the 70-2390P Micro Handle, it delivers exceptional precision, smooth operation, and outstanding durability.