[Product Information]

• Ergonomic and lightweight design. For all hand sizes.
• Adjustable tension levels. No need to buy more than one hand strengthener!
• Made with the highest quality materials: stainless steel spring resistance system and compact molded rubber.
• Musicians and athletes can use the hand strengthener to increase hand， wrist， forearm， and finger strength and improve small muscle performance.
• This hand strengthener passed hand testing and rigorous quality assessments for safety and overall construction.