Features: 1.Ergonomic design:Comfortable rubber non-slip grip. 2.Portable : easy to fit in bag or pocket. Exercise your hand anywhere and anytime. 3.Wide applications:Perfect for athletes, fitness and sports enthusiasts and musicians who want to develop their hand, finger, wrist etc. Descriptions: Ideal for increasing strength, strength and speed on the wrist, fingers and forearm. Specifications: Material:plastic <div class=""text-wrap tlid-copy-target""><div class=""result-shield-container tlid-copy-target"" tabindex=""0""><span class=""tlid-translation translation"" lang=""en""><span title="""" class="""">Rally classification: spring tensioner</span> <span title="""">Choose by fitness effect: exercise your fingers</span></span><span class=""tlid-translation-gender-indicator translation-gender-indicator""></span></div></div> Package Included： 5pcs/set * Grip Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.