Wisdompro Hand Grip, Forearm and Finger Strengthener Exercise Rings - Set of 3 Different Resistance Levels - 30, 40, and 50 pounds - Increase Your Hand Strength, Pinch and Crush Strength Custom Designed to Develop Hand Strength for Those That Need It Most: Ladies, Older Family Members, Youngsters, and Physical Therapy Patients. Strengthen your Hand Grip and Forearm Strength in All Three Major Areas - Crushing, Pinching and Extension. Set of Three Color Coded Bands with Different Resistance Levels: Green 30 pounds, Blue 40 pounds, and Orange 50 pounds (13, 18, and 22 kilos) - Choice of Resistance Levels Allows You to Gradually and Effectively Progress Toward Your Strength Goals Portable and Convenient - Use Anywhere, Any Time, at Home or Office. Relieve Stress and Improve Mental and Physical Fitness! Wisdompro Value Package Includes Three (3) Hand, Finger, and Forearm Strengthener Bands and A Microfiber Cleaning Cloth