- Manufacture from 304v medical grade stain less steel - Ideal for any treatment phase, most popular type and could be heat-treated for additional strength - Three Lines for upper, one line for lower, arch wires are midline-etched for permanent identific

- Manufacture from 304v medical grade stain less steel - Heat-treated arch wire, 5-10 % higher tensile strength than bright SS arch wire, stress-relieved wire that resists distortion and accepts bends without fracture. Great for deep bite cases and torque