3B® Anatomical Model - Lumbar Spinal ColumnLumbar section spinal column model is mounted on a base. Section includes 5 lumbar vertebrae with discs, sacrum with flap, coccyx, spinal nerves and spinal cord. Product Specifications BRAND3B Scientific® MANUFACTURERS PART NUMBER12-4541 LENGTH INCHES5-1/4 WIDTH INCHES14-1/4 HEIGHT INCHES5-1/4 WEIGHT LBS2 DESCRIPTIONLumbar Spinal Column TYPESpine Models PACKAGE QUANTITY1 LIMITED WARRANTY1 Year