Professional Adjustable Hand Strength Trainer

Description

• The wrist force strength trainer device is made of custom carbon steel spring, it does not rust and the elastic test does not deform nearly a million times.
• Custom sponge handle. The bracelet is made of a custom-made scouring sponge that is non-slip, soft, comfortable and has strong sweat absorption.
• High-density ecological belts. The bracelet is made of high-density eco-friendly straps, which is safe, comfortable, easy to wear, and can be adjusted in any position.
• ABS engineering materials. The wrist force device is made of ABS engineering material, which is durable, pressure-resistant, and high safety.