Brief: Discover the Big Eyelet Niti Close Coil Orthodontic Spring, a high-quality orthodontic accessory designed for precision and durability. Available in diameters 0.010" and 0.012" with a length of 180mm, this medical-grade NiTi spring is perfect for orthodontic treatments. Certified with CE, ISO13485, and FDA, it ensures reliability and safety for dental professionals worldwide.