3 Pcs Hand Exerciserhand Exerciser Offer Three Different Resistance Levels (Green30Lb,Blue40Lb,Orange50Lb) to Strengthen Hands, Grip Strength Will Help Escalation Gradually Increase The Difficulty of Training Wrists And Forearms. Ideal for Musicians Like Guitar, Violin, Rock Climbing, Tennis, Body Building, Golf, Etc. . Materialthe Grip Strength Enhancer Is Made of High Quality Silicone Material, Safety, Which Is Odorless And Latex Free. Which Feels Comfortable During Hand Gymnastics Training. The Anti-Slip Rings Are Also Tear And Tear Resistant for Long-Term Use. . Multiple Exercise Methodsgripping Hand Exerciser Can Be Used In Various Activities Including Squeezing, Pinching And Stretching. It Only Takes 2-3 Minutes to Fully Train Finger Or Forearm Strength And Flexibility. Portablethe Outer Diameter of The Grip Strengthener Is 7Cm/2.8In And The Single Weight Is 50G/1.8Oz Easy to Carry And Great to Put In Your Gym Bag Or Purse. You Can Incorporate Repetitions On The Commute, In The Office, Or Anywhere Else . No Noisewhen Using, There Is Almost No Sound, And The Exercise Movement Is Small. Effectively Prevents Disturbing The Other People. .