Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, part number 828.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 0°, part number 825.0XX. Interbody oval lumbar cage, height 8-16 mm, convergence angle 0°, part number P.820.0XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 0°, part number P.825.0XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 8°, part number 828.8XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, part number 836.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, article P.836.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, part number P.828.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 8°, article number P.825.8XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, part number 820.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 0°, article no. 820.0XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 4°, part number P.825.4XX Interbody oval lumbar cage, height 8-16 mm, convergence angle 8°, part number P.820.8XX