Product Introduction: This grip strength trainer becomes your all-weather partner for strength training! From a gentle 11 pounds to360 pounds, one device can unlock all the training, helping you improve your grip strength. What can it help me with? Stress relief and arm exercise!gonomically designed grip handles are comfortable and won't hurt your hands. Portable, start training anytime and anywhere. Upgrade your grip strength training experience, wrist guard can protect your wrist joints from injury, witness the transformation of strength from the tips of your fingers to your whole body! Adjustable Grip: Adjustable strength training, from 11 pounds to 360 pounds, soft rubber grip handles that won't hurt your hands, and wrist guard can protect your hand joints from pain during use Forearm Grip Strengthener for Fitness Enthusiasts: Improve grip strength improve pull-up/pulling performance Office workers: Relieve hand fatigue, prevent carpal tunnel syndrome Musicians Programmers: Maintain hand flexibility and control during: Post-operative function recovery, arthritis auxiliary exercise Athletes: Rock climbing, wrestling and other special strength enhancement Pay attention to safety: This product comes with a small amount of lubricating oil for maintenance, please keep it out of the reach of minors if are any at home.