DescriptionThis item is a portable handy finger exerciser trainer for training your finger force, endurance, flexibility and coordination when playing instruments. Ergonomic design allows you to hold it in your palm and button caps offer comfortable and anti-slip pressing.Features- Color: Yellow. - Material: Silicone. - Size: About 7x0.8x0.8cm. - Made from material, durable to use. - The finger master is suitable for athletes and musicians such as guitar finger exerciser and so on. - Moderate size, perfect feel, easy to carry. - Exercising your fingers and hand help to maintain flexibility, strength and mobility in manual dexterity. - You can use it while in the waiting room at the doctor's office, or sitting at your desk at work.