<p>Product Description<br/>Size: 15 * 11 * 2.2 cm<br/>Color: All Black, Black Red, Black Gray<br/>Material: Main Body PP Plastic + TPR Handle Plastic Film + Spring Steel Spring<br/>Package Contents: 2 * Clamps<br/>1. 【Improve Your Grip Strength】Get a grip strengthener that exercises all major finger, hand, and forearm muscles. Whether you are undergoing physical therapy, maximizing gains, managing stress, or actively exercising to relieve pain associated with aging, this hand strengthener is your all-in-one solution. Your hand grip trainer will quickly become your new travel companion, desk fidget spinner, or couch gripper. You can take this portable gripper anywhere. <br/>2. 【Portable and Convenient】No matter where you go, your hand grip strengthener must be easy to use. The portable forearm grip trainer allows you to train no matter what life throws at you. The compact design of this forearm trainer allows you to put it in your pocket, purse, or gym bag. Train at home, at the gym, or even in the car. Physical therapists recommend grip training for almost everyone. <br/>3. 【High-quality Materials】We developed this hand trainer grip strengthener specifically for you. Other hand strengthening devices are made of inferior materials and break down over time. To ensure you don't get frustrated by a broken hand grip tool, we built this gripper using high-quality materials that have passed stress testing. Unlike our competitors, which break or even don't fit in your hand, this forearm trainer is designed to impress 4. 【Adjustable Resistance】Your forearm trainer is adjustable to your strength. Erg's ergonomic, non-slip, comfortable handles ensure you never lose your grip. Our strong handles come with a reinforced stainless steel tension spring and a high-quality, durable plastic body. These wrist strengtheners are perfect for musicians, songwriters, weightlifters, and people with arthritis issues. <br/>5. 【Rehabilitation Equipment】The hand strength trainer as a rehabilitation equipment is suitable for patients with hand injuries, tendonitis, arthritis, carpal tunnel, tennis elbow, etc. Quickly strengthen target muscles without getting hurt</p></div>