-Finish cases faster. -Minimize relapse. -Achieve "true" labial or lingual root torque. -Apply torque to any tooth from centrals to 2nd bicuspids upper or lower. -Delivers torque forces from 125 grams to 150 grams. -Use a small spring for upper laterals and lower interiors, and large springs for all other teeth. -Kit Includes : -5 Small Spring(s) -5 Large Spring(s) -GTS Crimping Plier -Please specify if you are using .018 or .022 slot when ordering. **For further product information, please contact Chat Support**