Hand Grip Exerciser Trainer Adjustable Anti Slide Hand Wrist Device Power Developer Strength Training Forearm Arm Gym Equipment|Hand Grips(Black) Hand Grip Exerciser Trainer Adjustable Anti-slide Hand Wrist Device Power Developer Strength Training Forearm Exercise Equipment Features: Comfortable and safeThe elastic hard foam makes your arm more comfortable and safe, holding your arm in humanized way.The wrist power developer is widely suitable for man and woman, home and office. You can used the wrist power developer to bend up or down as you like. Note:The wrist power developer is forbidden to be used for children under 10 years old.The training time should not be too long, avoiding muscle fatigue.Please check the connection part before using, prevent the losing situation.Do not operate the wrist power developer reluctantly, to prevent the hurting problem. Specification:Type: wrist power developerQuantity: 1pcMaterial: Spring steelColor: blackSize: 31.5*12.5*17cm/12.40*4.92*6.69inch Package:1* wrist power developer