PROTEX® Deformity is a posterior stabilization system with a full line of monoaxial screws, rods, hooks and connectors that utilize a 6.0mm or 6.5mm diameter rod to meet varying anatomical needs. Non-threaded locking cap: Eliminates cross-threading Low profile design: Less anatomic interference in a top-loading system Solid and cannulated screws: A range of surgical options are available