Profile: Superscrew SUPERspring Co. produces telescopic expanders. Our SUPERscrew product makes the turning procedure safe and easy for the patient. The SUPERscrew is turned with a wrench, a familiar and safe tool. Our new simple Hex design SUPERsrew™ is friction coated to prevent relapse and has an optional locking feature-the lock nut. It has a strong body design resulting in true parallel maxillary expansion and is extremely hygienic & manufactured to the highest standards.