[Product Information]

• IDEAL FOR ATHLETES， SPORTS LOVERS & MUSICIANS - Ideal for fitness enthusiasts body builders and workout lovers. Increases grip strength for sports like - rock climbing， tennis， bodybuilding， golf， ball games etc. And also very helpful for increasing fingers and hands strength for musicians like bass guitar， acoustic guitar， violin， cello and piano players as well as for drummers and percussion artists.
• HELPS SENIORS TO REGAIN GRIP - Will help seniors to regain grip's strength back， and can also help with arthritis， rheumatoid arthritis， tendonitis， carpal tunnel， tennis elbow and those recovering from a broken wrist and tendon surgery. Ideal tool to help with injury rehabilitation
• ADJUSTABLE RESISTANCE - Easily dial adjustable tension resistance range， from the easiest (easy – light) to the hardest resistance (hard – heavy). This hand grip strengthener is great for men， women， teens， adults & Seniors， this exerciser will increase strength in hands， wrists， forearm muscle and fingers - can be used for various purposes. Practice various trainings and exercises to help gain your strength.
• SMART & DURABLE DESIGN - one size fits all - Designed to fit small to large hand sizes. Features a truly amazing and efficient design with a precise workmanship to ensure the best results for our customers - stainless steel & extremely durable spring with molded foam handles – by ThunderFit – professional sports equipment which built to last!
• FULL MONEY BACK GUARANTEE - 100% risk free 90 days money back guarantee & lifetime guarantee - Provided by the brand ThunderFit， 90 days money back guarantee， as well as a life time guarantee - if for whatever reason you are not 100% absolutely happy with your product， return for and a full refund will be provided - no questions asked.