Multi-sector screw according to Steiner, individually deformable center bar, two section areas, stainless steel, 1 piece

Material: Stainless steel reinforced guides Individually deformable center bar for adaptation to different palatal vaults Two section areas that act independently of one another (symmetrical transverse expansion) Total expansion per segment is the same With expansion screw key, straight, small - standard. Indication: for combined transverse and protrusion movements with Y-plates