- Strength category spring hard · 1800—2000 N/mm2. - Diameter ø: 0.70 mm / 28. - Maxillary/mandibular maxillary + mandibular. - E-Modul170 kN/mm². - Material stainless steel. - Rm1900 N/mm². - Length: 30 m. **For further product information, please contact Chat Support**