3B Scientific A75/1 5 Vertebrae Model Go to amazon.com Related posts Top 16 best spine model 3b 2022 Feature5 VertebraeAtlas, axis, cervical, thoracic and lumbar vertebraeLoosely threaded on nylonWeighs 0.88 lbsPack of 1 DescriptionAtlas, axis, cervical, thoracic and lumbar vertebrae. Loosely threaded on nylon.