Stainless Steel Hand Wrist Strength Fitness Training Exerciser Devices(Black)

1. Great fitness equipment. Has a very good fitness effect.
2. Exquisite manufacturing technology, made of premium materials.
3. It is very easy to use, safe, simple, does not take up space, and is convenient for storage.
4. This is a wrist device designed to exercise wrist designed, is to improve a very effective apparatus of the wrist
5. Material: Stainless steel spring + sponge set