ETS is an auxiliary orthodontic bracket designed for tooth movement in areas where traction with conventional brackets may be difficult. It can be applied to both the labial and lingual surfaces, allowing flexible use in various orthodontic treatment situations.ETS is available in two configurations, Horizontal Type and Vertical Type, allowing the appropriate design to be selected according to the treatment site and direction of application.The bracket is designed to accommodate a 0.016 × 0.025 inch rectangular wire.