Feature: 1. Adjustable Resistance: Customize your workout with adjustable resistance from 5 to 165 KG. 2. Ergonomic Design: The non-slip handle ensures a comfortable grip during your workout. 3. Robust Construction: Made with carbon steel and nylon, this trainer is built to last. 4. Portable: Compact and lightweight, this trainer is easy to carry and use anywhere. 5. Versatile: Suitable for a wide range of people, from students to office workers to fitness enthusiasts. Specification: Boost your grip strength with our Adjustable Grip Strength Trainer. This professional hand grip strengthener is perfect for climbers, tennis players, athletes, and musicians looking to improve wrist, finger, and forearm strength. It's also beneficial for those recovering from tendonitis, carpal tunnel syndrome, wrist fractures, and tendon surgery. Features: Adjustable Resistance: Customize your workout with adjustable resistance from 5 to 165 KG. Ergonomic Design: The non-slip handle ensures a comfortable grip during your workout. Robust Construction: Made with carbon steel and nylon, this trainer is built to last. Portable: Compact and lightweight, this trainer is easy to carry and use anywhere. Versatile: Suitable for a wide range of people, from students to office workers to fitness enthusiasts. Specifications: Material: Carbon Steel + Nylon Adjustable Force: 5-165 KG Color: Red / Black(Optional) Product Size: 13.4*16 cm / 5.3*6.3 in Net Weight: 400g / 0.88 lbs Package Size: 16.5*13.8*3.5 cm / 6.5*5.4*1.4 in Gross Weight: 440g / 0.97 lbs Package List: 1* Grip Strength Trainer Package List: 1* Grip Strength Trainer