Features: Increases Hand Grips: The handle adopts concave-convex pattern, which are more non-slip. It will not slip even if your palms are full of sweat. Build strength in your hand, wrist, fingers and forearm. Effective Grip Strengthener: handgrips strengthener delivers effective force to your wrist, finger, and forearm muscles, its design channels the resistances from its rust-resistant spring to your hand. Good Quality and Ergonomic Design: The hand exerciser are firm and not easily deformed, and ensuring longer use timing, perfectly fitting the palms, and feeling soft and comfortable. Hand exerciser: Forearms and arm strengthener. The exerciser will exercise all the muscles of the fingers, hands and forearms, which will lead to better exercise and you can avoid injuries. Easy to Carry: Portable and lightweight design, easy to put into your pocket or backpack. They are small equipment so you can use them anywhere and any timing, super easy to carry and use. Specifications: Material: Foam+Stainless Steel Color: Blue/Red/Green/Gray/Orange Package Weight: approx.70g Size: approx.13x9.5cm/5.12x3.74in (More Size Detail, Please See Photo.) Package Includes: 1Pc x Hand Grips note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!