- Color-coded packaging: red. - Strength category: spring hard · 1800 N/mm2 - 2000 N/mm2. - Maxillary/Mandibular: Maxillary + Mandibular. - ø: 0.70 mm / 28. - Material: stainless steel Rm1900 N/mm². - Length each 150 mm. **For further product information, please contact Chat Support**