Specification Brand : AIKESIWAY BulletPoint1 : Daily Exercise Needs:Hand exercise rings build strength in the fingers, hands, wrist and forearms. Varied activities, including crushing, pinching and extensions work to improve the dexterity of both the fingers and hands.Sized to comfortably fit adult hands with an outer diameter of 3.15 in and an inner diameter of 1.5 in. Perfectly sized for grip strength training for men, women, seniors and teens. BulletPoint2 : Durable Nonslip Silicone Construction:The hand exercise rings are made from premium silicone, suitable for squeeze, stretch and pull with no odor, no stains, no edges, no noise. The nonslip rings are also tear and crack resistant for long-term use.Double force grip rings to give you a better workout. BulletPoint3 : 5 Levels Resistance:The silicone grip ring set includes four colors,Double Force,Its rally value is from 20 to 60 lb,5 Resistance Levels(4 PCS). Progressive levels of resistance allows the difficulty of each workout to be gradually increased as your grip improves. Strengthen your wrists, improve the dexterity of your fingers and increase the strength your hands can apply while reducing fatigue. BulletPoint4 : Rehabilitation & Prevention:Perfect for rehabilitation therapy, fitness and relaxation, more forearm Muscularity. Hand grippers can also help with pain or prevent arthritis relieve symptoms of tendonitis and rheumatoid arthritis and aid recovery from a fracture of the hand. BulletPoint5 : Fits All Hand Sizes:Ideal for athletes(tennis, basketball, boxing, golf and shooting)and musicians (guitar players, bass players, pianists and violinists). Portable and easy to fit in bag or pocket. You can get repetitions in while driving, at the office or anywhere! Color : multiple ExternallyAssignedProductIdentifier1 : 810023161219 ExternallyAssignedProductIdentifier2 : 0810023161219 GpsrSafetyAttestation : 1 ItemName : Grip Strength Trainer,Silicone Hand Grip Strengthener Ring,Finger Grip Workout - Double Force Grip Rings for Rock Climbing, Athletes & Stress Relief, (20-60lbs) 5 Resistance Levels(4 PCS) ItemPackageDimensions_Height : 24.7904 centimeters ItemPackageDimensions_Length : 2.6924 centimeters ItemPackageDimensions_Width : 17.907 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : grip-strengtheners Manufacturer : sandao Material : Silicone ModelNumber : PT-TE001 PackageLevel : unit PartNumber : 15689 ProductDescription : hand exercise rings are made from premium silicone, suitable for squeeze, stretch and pull with no odor, no stains, no edges, no noise. The nonslip rings are also tear and crack resistant for long-term use. Sized to comfortably fit adult hands with an outer diameter of 3.15 in and an inner diameter of 1.5 in. Perfectly sized for grip strength training for men, women, seniors and teens. The stress relief rings offer resistance and fills your hand. Strengthen your wrists, improve the dexterity of your fingers and increase the strength your hands can apply while reducing fatigue. Its rally value is from 50 to 70 lb. Help balance your grip muscles and your expanding muscles. Grip strength device: different exercise methods such as one hand, two hands, up grip, down grip, and double grip are used. It is small and lightweight, easy to carry, and can be used without restrictions. It can exercise hand strength anytime and anywhere, relieve fatigue, enhance muscle strength, and enhance blood circulation. Long term use is helpful in preventing rheumatoid arthritis and other conditions. It is an essential small equipment for exercising and fitness.finger grip strength trainer Size : large Style : Wrap SupplierDeclaredDgHzRegulation : not_applicable TensionLevel : Light, Medium, Extra-Medium, Extra-Heavy, Heavy UnspscCode : 49201600