MoveRays Hand Grip Strengthener, Forearm, Fingers Exerciser – Silicone Rings for Muscle Training, Sports, Rock Climbing…

Ergonomic design with pure silicone, 70 mm/2.75” diameter easily fits in your hands, 3 resistance levels 30, 40, 50 lb; 1.77 oz/50 g each; non-toxic, no click or squeaking noise, no sharp edges
Good grip on everything is natural when hand strength is built overtime with micro hand movements throughout the day, while in an online meeting/training, studying or watching your child play sports
Stronger hand grip muscles for sports like baseball, tennis, golf; powerful fingers for hobbies like rock climbing, playing music instruments; ideal for men, women, teens, adults and seniors
Easy to use, squeeze, hold, release and repeat in your palm, thumb and all fingers, insert a finger of both hands and gently pull outwards; easy to clean, carry in a bag or pocket anywhere, anytime
Satisfaction is guaranteed; we aim to deliver high quality, durable products to our customers and outstanding customer service