‎MoveRays

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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