8 shape multifunction Springs Power Wrist Arm Exerciser forearm strength Force Fitness Equipment Hand Strength Grip
Material: Shell ABS, grip NBR (foam), imported piano spring steel core.
Product specifications
Strength power:
10kg, 15kg, 20kg (we press the weight of your choice of the photo show)
Handle color sent by random
Small size：about 39*20*2.5cm 700g
Big size：about 41*22*2.5cm 800g
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