Automatic Counting Hand Grip Strengthener

ADJUSTABLE HAND GRIP STRENGTHENER WITH COUNTER. 
Mechanical counting from 0 to 99, and start a new round. Do not have to count yourself. The integrated counter automatically tracks your repetitions as you squeeze. Never lose count of reps again! 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.