kowaku Hand Grip Strengthener Trainer Finger Exercise Heavy Duty Gym Workout for Tennis Players Climbers Athletes Pianists, Black 300lb - 5408716178026047

• 【Application】Suitable for climbers, martial artists, athletes and anyone who wants to improve their hand strength. 【Portable】Grips strength exerciser with a compact design, you can take this grip strength training with you and exercise at home, workplace, or even on travel. 【Feature】The powerful hand gripper is easy to use, featuring high flexibility and durability, strong enough for heavy duty exercise. 【Function】hand gripper is great for finger, wrist and forearm training, building up hand strength and increasing hand strength, improving grip, and the flexibility of fingers. 【Material】Hand grip strengthener trainer is made of quality steel material, which is durable and wear resistant.