Hawleys are a standard in orthodontics for final retention, and are typically composed of a labial bow and clasps. These versatile appliances offer a number of varying bow, clasp, spring, habit, and acrylic options to meet the needs of your individual patient. The NEOLab Standard upper hawley includes a 3-3 labial bow and Adams clasps on the molars. The NEOLab Standard lower hawley includes 3-3 labial bow and occlusal rests on the molars.