op-loading polyaxial pedicle screw system featuring the ability to accommodate titanium and CoCr rods of two different diameters. The optimzed dual lead thread pattern allows for faster insertion and demonstrates increased pullout strength.* The mixed metal tulip minimizes head splay and improves mechanical performance.** *Supporting data available upon request. **When compared to an experimental prototype. Features Ability to Accept 5.5 mm & 6.0 mm Diameter Rods Easy-to-Start Set Screw Facilitating Set Screw Introduction Dual Lead Optimized Thread Pattern Polyaxial Range of Motion Provides Intraoperative Flexibility