- Maxillary/Mandibular: Mandibular. - Arch form Ideal arch. - Strength category spring hard plus · 2000 N/mm2 - 2300 N/mm2. - Dimensions0.55 x 0.64 mm / 21.5 x 25. - Diagonal M.0.76 mm. - Material: stainless steel. - Rm2200 N/mm². **For further product information, please contact Chat Support**