Features: Enhances hand strength and grip endurances with our premium nylons finger and thumb rings, designed for athletes, musicians, and plerosis patients seeking durability, high performances hand training. Consist of nylons and reinforced metal, this light weight arm strengtheners offers elasticities and wear resistance for long term flexibility workouts. Ideal for fitness enthusiasts, physical therapy patients, and professional requiring finger dexterity like musicians or climbers to build hand muscle effectively. This portables hand exerciser at homes, gym, or offices for grip enhancement, rehabilitation drills. The ergonomic pressure design boosts blood circulation while reducing hand fatigue, making it perfect for repetitive motion recovery and strength maintenance. Specifications: Dimension:32cm/12.6in Component:nylons Package Includes: 1pc Hand and arm strengtheners note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.