Orthodontic Dental Niti Open Coil Spring 0.010/0.012*180mm 2PCS/Pack por | Jul 17, 2026High resilience and durability Gives comfort while open and maintaining proper spaces with constant force1. Use: For dental orthodontic treatment 2. Material: NITI Alloy 3. Size: 0.010* 180mm, 0.012* 180mm 4. Package : 2pcs/pack