Description
The rubber for strength and endurance!Suitable for training and therapy purposes of hand, finger and forearm muscles. Diameter of the material in the cross section about 2.5 cm. Diameter of the rings about 9 cm.Available in three versions:
Green – Soft [force 13.6 kg]
Black – Medium [force approximately 18.0 kg]
Red – hard [force approximately 22.7 kg]
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