SPECIFICATIONS

Silicone Finger Gripper Ring Wrist Finger Trainer Hand Muscle Strengthener Ring Exercise Carpal Expander Workout Fitness Device

• Easy to carry hand strengthener 
• Improves grip strength and dexterity, exercising hands, fingers wrists and forearms
• Premium silicone material
• 20-30 lbs       LB= 9-14kg
• 30-40 lbs       LB= 14-18kg 
• 40-50 lbs       LB= 18-23kg
• 50-60 lbs       LB= 23-27kg
• 70-80 lbs.      LB= 32-36kg