Rectangular and square wires have a slightly radiused corners facilitate insertion into bracket slot with no appreciable loss of torque
Square wire for control with optimum sliding mechanics
Tighter diagonal tolerance on .016 x .016 to avoid rolling in slot
Stainless steel straight length archwires available in Hi-T™ II, Permachrome Standard, and Permachrome Resilient wires. Round, rectangular and square wires available.