- Hook: with mesial hook. - Maxillary. - Solder/Glue: to stick on. - System: McLaughlin-Bennett-Trevisi. - Throat: 22. - Teeth: 16. - Torque: - 14°. - Distal Offset: 10°. - Tube type: double rectangular. - Convertible. - In/Out: 0.3mm. - Width: 3.3mm. - Throat: 0.56 mm x 0.70 mm / 22 x 28 auxiliary tube throat: 0.46 mm x 0.64 mm / 18 x 25. **For further product information , please contact Chat Support**