✔ BOOST YOUR POWER - Develop strength, increase stamina, improve flexibility and strengthen your hands, wrists, fingers, and forearms with our handgrip trainer which is specifically designed to help you train and maintain strong hands in a convenient and effective way! ✔ SUPERIOR QUALITY - In order make our hand strengthener grip as safe, sturdy, lightweight and as comfortable to use as possible we use only the finest quality material that is smooth to your hands yet durable enough to endure the wear and tear of everyday use for longer without losing its functionality! ✔ ADJUSTABLE RESISTANCE - These hand grips for strength training are equipped with an excellent adjustable mechanism that allows you to easily adjust the resistance from 5 kg to 60 kg to meet your requirements. The compact and portable size is suitable for both men and women of all ages!