Updated version of Mini Metal Brackets Dental Othodontic Bracket Ⅱ ROTH/MBT 022 345hook Discription： Model:Available ROTH/MBT Available HOOK: 345hook Package:1 pack Advantages 1.arc smooth design bracket edge, to provide the best comfort for patients.. 2.100% preventing a loose pad or even a loose bracket from the teeth. 3.Fine polishing , nice looking presentation. Storage Stored in dry, humidity below 80%, ventilated, non-corrosive gases warehouse. 20pcs/pack,1 Pack.