Welcome to our store！</br> 1、Smart Counting: Add counting function, our hand strengthening device can record your exerciser number every time you use it. 2、Adjustable Resistance: 5‑60KG resistance can be easily adjusted as required. It can be used for muscle wrist and hand rehabilitation training. 3、Multifunctional: This grip works well on all the muscles of your fingers, hands and forearms. It is very suitable for improving grip, hand endurance, dexterity, muscle tension and sports skills. 4、Wide Application: Suitable for everyone, such as athletes, fitness coaches, and people who want to exercise their hands, wrists, and fingers. 5、Ergonomic Design: The handle is made of reinforced stainless steel tension spring with durable plastic body, which is very suitable for men and women with different strength. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: Hand Gripper&nbsp; Material: Stainless Steel Tension Spring,&nbsp;Plastic Color: Black Red and All Black Size: Approx. 15x9.5cm/5.91x3.74in Purpose: For Muscle Wrist Rehabilitation Training <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Black Red Hand Gripper&nbsp;1 x Black Hand Gripper&nbsp; Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>