Силиконовая ручка предплечья ручной кистевой эспандер Мышцы силовые тренировки пальцев Тренажер для мышц

70mm-47g

88mm-95g

 Ergonomically design fits for all hand sizes: perfect for men, women, seniors and teens. The stress relief balls offer resistance and fills your hand. Give it a good squeeze to get it to compress.Built your hands strength up.

These stress exercise balls help promote a sense of calm, reduce stress, anxiety and can increase focus / attention. Sports such as Tennis, Basketball, Boxing, crossfit and especially rock climbing can benefit from better grip strengthener

3 days for sample in stock; 7 days if adding customized logo