- YDMAJF LSZXLQ-1 finger strengthener, pack of 2 units made of durable silicone. - Grip strength trainer, ideal for exercising fingers, palms, and forearms. - High-quality silicone material, unbreakable and safe for prolonged use. - Two resistance levels: 6.6LB and 11LB, adjustable according to each user's strength. - Compact and lightweight design, perfect to take to the gym, office, or while traveling. - Helps relieve stiffness, improve mobility, and reduce stress in the hands. - Suitable for all ages and recommended for climbers, guitarists, pianists, tennis players, and athletes in general.