Bone File #12DDP Elite USA Bone File #12 can be used in a variety of surgical interventions in neurosurgery or orthopedic surgery. This instrument is double ended with each end featuring plain serrations. It is ideally suited for use in filing bones such as reducing a sharp or jagged bone edge to prevent damage to surround tissue or delicate neuro vascular bundles. Additionally each even here is a different width: 7. 0 mm and 5. 0 mm making it versatile enough to