Gold-Tone SS X-Broad Form Upper .012 - PK/10

2 mm wider in the canine area compared to the broad form Manufacture from 304v medical grade stainless steel. Heat-treated archwire, 5-10 % higher tensile strength than bright SS archwire, a stress-relieved wire that resists distortion and accepts bends without fracture. Great for deep bite cases and torque control. Three Lines for upper, one line for lower, archwires are midline-etched for permanent identification.