The CanDo® Digi-Extend n’ Squeeze® Hand Exerciser offers best features of both Digi-Extend® and Digi-Squeeze®. The Hand Exerciser is great to develop isolated finger strength, flexibility and coordination, especially for rehabilitation of carpel tunnel, arthritis, stroke, fractures, tendon injuries, nerve lacerations, tennis elbow etc. Hold the Ergonomically designed ball, place your fingers on each positioning indent and just squeeze it until you reach your ideal pressure level. It provides complete reciprocal exercise program (flexion and extension). The exerciser comes with latex-free free extension bands and exercise pamphlet. 2 sizes are available with 5 different resistance levels ( color-coded). 5-piece set is also available.