PRODUCT RATING: 5 out of 5 (Blank: Not Rated). Click on this link to see more information, images, reviews by real users and alternatives:
No need to install, Practice anytime, Training arm strength、wrist strength、exercise grip strength、knuckles、rehabilitation training;
Strengthen The Hand Strength.Wake Up The Body’s Vitality.Exercise Both Hands At The Same Time.Balance The Ieft And Right Strength.Achieve The Balance Of The Hand.Help Relieve The Soreness Of The Hand Muscles And Strengthen The Flexibility Of The Fingers.
Free Rotation Adjustment.Easy To Control The Strength.The Rotation Strength Adjustment Button.Can Increase Or Decrease The Required Strength.Suitable For Different Groups Of People.
The Thickened Stainless Steel Spring Has Toughness.Strong Grip. Abrasion Resistance.No Rust. No Breakage.And Long Service Life.
Environmentally Friendly High Elastic Handle.Good Elasticity.Safe And Non Slip Grip Marks. With Concave Convex Non Slip Design. Non Slip Comfortable.
Strong Rivet Connection.Rivet Connection Is Strong And Stable. So There Is No Need To Worry About Falling Off And Bullet Damage.
List Price: $10.99