Description: Material: ABS + Metal Size:Height: 16cm*11CM /6.24*4.29inch Color:AS picture Adjustable range: 5KG-60KG Package include: 1 pcs* Adjustable training grips Features: 1. The product is adjustable from 5-50kg to improve wrist, finger and forearm strength, power and speed. 2. Products are ideal for athletes, musicians, rock climbers, bodybuilders, office and mouse users, etc. 3. The grip fits ergonomic theory, anti-slip and safe. 4. The product is durable and safe and will not hurt you. Grip Strength Enhancer will give you a great user experience NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more Package include: 1 pcs* Adjustable training grips