Wrist Muscle Exerciser Adjustable Trainer Hand Grips Arm Exerciser Comfortable Adjustable Anti Slide Device Fitness Equipments|Power Wrists(Black) Features: Adjustable There are four gears for you to adjust the handle distance according to the different arm size, making your arm and the wrist power developer more suitable.Comfortable and safe The elastic hard foam makes your arm more comfortable and safe, holding your arm in humanized way.Anti-slipping The wrist power developer is designed with a foam on the handle, to prevent the slipping problem and ensure your safety.High carbon wire The wrist power developer adopts high quality high carbon wire to ensure its turning back effectively, tough and durable.Scope of application 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 developer Quantity: 1pc Material: PP + steel wire + foam Color: black Size: 31.5*12.5*17cm/ 12.38*4.91*6.68inch(L*W*H) Net weight: 510g/17.99ozPackage: 1* wrist power developer 1* package box