This O.T. Brush Handle makes O.T. Brushes easier to hold for both client and therapist. This sturdy plastic Brush Handle is the answer to many therapists' requests. When a brush begins to show signs of wear, simply pop it out of the handle and pop in a new brush. The Brush Handle is simple, safe and designed to fit the hand so well it eliminates fatigue. Use the handle with the brush set listed below. Handle and brush sets are sold separately.