- To fix onto archwires with the multi-bracket technique. - Set Contains: - 1 x Telescopic tube, right, for Herbst I / II. - 1 x Telescopic tube, left, for Herbst I / II. - 2 x Telescopic rods, for Herbst I / II. - 2 x Hexagon socket screw, short, for Herbst II. - 2 x Hexagon socket screw, long, for Herbst II. - 4 x Nut, for Herbst. **For further product information, please contact Chat Support**