1. Low-profile design for reduction of soft tissue irritation
2. Reverse thread closure mechanism providesstable locking
3. Self-tapping design for easy insertion
4. 30° unidirection active angle and 54° at 3 unique position for easy rod insertion
· Multi-axis Screw : diameter 3.5mm, length 10-30mm in 2mm increments
· Connection Rod: diameter 3.5mm, length 50-100mm in 5mm increments, length 110-200mm in 10mm increments
· Cross-link: diameter 3.5mm , length 70mm
· Occipital Hook: width 3.5mm ; height 4mm , 6mm
· High level materials, safe and reliable