Features: 1. Products & instruments considering anatomic requirement 2. Rod(various 5.7mm pre-cut rods, laser marked contour line) 3. Pedicle screw easy for insertion (optimal stress distribution, protection of screw pull-out, easy insertion) 4. Nut to increase fixing ability (dove-tail-thread design) 5. Inner type locking system 6. Cross link to add fixing ability with convenient use (free angulation & free lengthening, simple assembling, self positioning)
