Decription:
Features:
100% Brand new and high quality.
Light weight, durable, easy to carry.
Made of high quality and aging resistant material, durable to use a long time.
It can develop hand strength, increase finger dexterity, promote blood circulation, besides, deflate tension when working under stressful situations.
Weight Resistance: Green, 30lb Blue, 40lb Orange 50lb.
Specification:
Material: Silicone
Color: As the picture show
Outer Diameter: approx. 7cm
Inner Diameter: approx. 3.5cm
Thickness: approx. 1.8cm
Included:
1 x Grip Ring