The yzlsports 10lb finger strengthener is designed with finger and hand contoured design for ease of use, featuring an ergonomic tread to provide optimal comfort and stability while exercising. Each spring loaded finger pressure has been calibrated first for accuracy
Train each finger trainer individually, or the entire arm steamer. Tilt and develop strength, flexibility and stamina for each finger individually. Expand the strength of great hand trainer, wrist and forearm.