... competitiv price 3.fast shipping and best service 4 arch shape SpecificationsNiTi Closesd Spring With Eyelets, NiTi Closesd Spring ... Closed /Open Spring * Same Eyelets * Different EyeletsOrthdontic NiTi Arch WireSpecification:NiTi Closesd Spring With Eyelets,Supper Elastic NiTi Wire ... ,Thermally Activated NiTi Wire,Arch Reverse Curve NiTi Arch Wire,Straight NiTi Wire and Spring NiTi ...