Adjustable Hand Grip Strengthener, adjustable exercise hand grip, with Non-Slip Grips for Adjustable Resistance. Tango sports hand grip comes in Small and light, easy to carry, without a fixed time and space restrictions. Exercise Grip strength exercises can relieve fatigue, and make practitioners muscles more robust. A good helper for parallel bars, tennis, table tennis, rock climbing and other sports enthusiasts. Intensity can be adjustable; anti-slip design, comfortable to grip. Easy to use.