Hand Grip Strengthener Rings,3 Pack for Hand,30-80lb Grip Ring Stress

[Comfortable & Nonslip Material]: Made of high-quality silicone material, which has excellent resilience, tear resistance and crack resistance, and can be used for a long time. At the same time, the comfortable and non-slip texture design make it more convenient and better for people to use.[2 Resistances in 1 Ring]: Each hand grip strengtheners has two different resistances, one on the smooth surface and the other strength on the concave-convex surface. One exercise ring can be used as two[Progressive Resistance Levels]: Progressive 6 levels of resistance allows the difficulty of each workout to be gradually increased as your grip improves. The 3 set grip strengtheners includes 30 lb. 40 lb, 50 lb, 60 lb,70 lb, 80 bl rings which can also be used for effective interval training between the different resistance levels in a single workout.[Strengthens Grip & Improvel Dexterity]: The hand grip strengthener rings are not only a good injury-restoration helper, but also perfect for daily use to improve strength, power and speed in the fingers and forearms, fit for Rock Climbers, Clinical Exercise Physiologists, Tennis Golf, Musicians and so on. Help to relieve stress, ease hand fatigue, joint pain and stiffness, promote blood circulation, a best choice for people who have longtime typing, mouse working jobs.[Suitable for Everyone]: 3 color hand exercise rings, light, medium and heavy resistance range from 30lbs to 80lbs, which can be shared with your family and friends. perfect size, easy to carry, allowing you to exercise anytime and anywhere. It is the best choice for giftsSize:Diameter: about 7.8cmMaterial:Silica gelcolour:Purple+orange+blackPackage Contents:3 x Grip Strength TrainerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.