Products | Posterior Lumbar Posterior Lumbar CoreLink offers a range of instruments, implant options, and spine systems for the posterior lumbar approach. Learn More Learn More About PLIF and TLIF Surgeries Anterior vs. Posterior Lumbar Fusion FLXfit®15 Tiger® Tiger® Deformity Tiger® Iliac Tiger® Poly-posted CentraFix® Siber® Bone F3D Straight F3D Curved CL5 Straight CL5 Curved