DIOTUSS Hand Grip Strengthener, Digital Grip Strength Trainer up 220.4 Lbs(100kg) Hand Grip Exercise…See more

Features FULL REFUND: We will offer a FULL REFUND or REPLACEMENT hand grip ball if the purchase has any quality defect issues.

NO need to return the ball!!! Please contact us!!!One Year Free Replacement Service! Digital Screen Stress Relief Ball: Still because of the size of the fingers or can't calculate the strength better? DIOTUSS forearm strengthener helps you solve the problem of hand grip training.

The grooved fingerprint path conforms to the ergonomics, and you can let go of the limitation of your finger size infinitely.

The digital workout equipment allows you to see the process and results of your strength at all times, and can record your every hand exercisers for strength record.

Forearm Grip Resistance 220.4 Lbs(100kg): The gripster made of comfortable and durable silicone, so you will not worry about calluses or sprained hands due to hand squeezer grip strength training, making your finger strength training more enjoyable and easy to clean.

Stress balls help you release stress, alleviate problems such as holding a pen long and using a computer keyboard and mouse when studying and working, and make your fingers more flexible and agile.