Thera-Band Flexbar Resistance Bar (Blue, Heavy)
The Thera-band Flexbar is a simple but very effective tool for helping improve grip, wrist strength and shoulder range of motion.
It is portable and lightweight and can be used for sports training or rehabilitation. It measures 12 inches in length and is available in four different levels of resistance. This particular Thera-Band Flexbar for instance is the blue version, which offers heavy resistance.