NIYIKOW Grip Strength Trainer Kit (5 Pack), Counting Grip Strength, Adjustable Hand Grip Strengthener, Finger Trainer, Finger Stretcher, Grip Ring & Stress Relief Grip Ball with Carry Bag – Black
ADJUSTABLE COUNTING GRIP STRENGTHENER – Mechanical counting from 0 to 99, and start a new round. Do not have to count yourself. Help you focus on exercising. Suitable for all age groups and fits well for all hand sizes. Ideal hand gripper for rock climber, guitarists, drummer, wrestler or softball pitcher.IMPROVE YOUR GRIP STRENGTH &…