Harbinger Ergo Grip Strength System 3 Resistance Levels Active Rest StressRelief

Whole hand and individual finger strength building kit with progressive resistance levels Warm-ups, active rest and recovery, stress-relief, repping out, or max efforts, the Ergo System can be squeezed as gently or as ferociously as you'd like. 3 resistance levels: 20-40-60lb Ergonomic, non-slip shape for comfort and control Unique design targets a wide range of hand sizes for both men and women Easy to clean and convenient for travel Warm-ups, active rest and recovery stress-relief, repping out, or max efforts