- Strength Category: super-elastic. - Arch form: American Style ≙ Damon Style. - Maxillary/Mandibular: Mandibular. - Dimensions: 0.46 x 0.64 mm / 18 x 25. - Diagonal M.: 0.71 mm. - Material: thermo-active nickel titanium. - Af: 30 °C/86 °F. - Rev.: 2 %. **For further product information, please contact Chat Support**