3B?« Anatomical Model - Classic Skull, 4-Part, on Cervical Spine4 part skull on cervical spine with natural bone color features movable jaw and seven cervical vertebrae flexibly mounted. Model includes representations of the hindbrain, spinal cord, cervical nerves, vertebral arteries, basilar artery and rear cerebral arteries. Model uses natural bone color. Product Specifications BRAND3B Scientific?« MANUFACTURERS PART NUMBER12-4551 LENGTH INCHES9-1/8 WIDTH INCHES14-1/4 HEIGHT INCHES7-7/8 WEIGHT LBS3 DESCRIPTIONClassic Skull, 4-Part, on Cervical Spine TYPESkull Models PACKAGE QUANTITY1 LIMITED WARRANTY1 Year