Pretorqued Archwires Maxillary 5Shiny bright .55 x 0.71 mm (.0215" x .028") stainless steel, preformed archwires with built-in root torque. Entire arch length is torqued, although wires can be adjusted to decrease or omit torque in the posterior segments while leaving torque in th anterior.Maxillary 5 archwires are identified with single etched centerline. Mandibular 8 wires feature double etched centerlines. Standard Arch shapes. Can be inverted to automatically achieve either labial or lingual root torque.