Strength Trainer - Three Pack - Japan

Stay strong no matter where you are with So iLL's Strength Trainers. This combination pack features three distinct resistances to build forearm, wrist, and finger strength. Throw it in your bag to use at the office, when traveling, to warm up, or to cool down. Easy to crushing, it's all here.

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3.50 in Diameter
Black, Grey, and So iLL Green Rubber
Three Resistance Levels
Builds Strength

Strength Trainers: Now in three resistance levels to match your gripping needs.