【Product Specifications】Finger Power (Black) 13LB / 17LB / 21LB Thank you for viewing! ☺︎ Instant purchase OK!! We are committed to shipping quickly (^^) Please refer to the 8th photo for the actual product. 【Adjustable Resistance】 Size: Approx. 11.5 x 10.5 x 2cm Weight: Approx. 38g Material: Silicone Accessories: Wristband x 1 【For a wide range of generations!】 You can adjust the strength, and it's a highly recommended item for those who want to strengthen their finger strength not only for muscle training but also for maintaining health and recovering function. From muscle training beginners to women and the elderly, anyone can use it according to their preference! It is especially suitable for ball sports enthusiasts, musicians, and others who need finger flexibility and strength. Lightweight and compact size, convenient to carry in a bag or pocket! We have various other items on sale, so please take a look ✨ #na goods 27.27