Package includes: you will receive 1 piece guitar finger trainer, which can effectively train the elasticity, coordination and strength of the fingers. You can use a hand trainer for many musical instruments. It can also be used for finger strength exercises in everyday life. MATERIALS - The finger exerciser is made of materials with fine workmanship, sturdy and durable. The soft button cap makes it easy to squeeze. The slim size keeps everything in one palm of your hand. Portable: With a portable design, you can carry it in your luggage, bag, handbag, etc. Strengthen your fingers anytime you want. Whether you are on holiday or in the office. Unique structure: spring structure and great elasticity are good for finger exercise. The extra wide, extra thick base distributes pressure evenly, the padded fingertips are extremely comfortable and improves the distance compared to other hand exercisers. Suitable for a wider range of hand sizes. WIDE APPLICATION: The all-in-one hand exerciser is specially designed for many musical instruments. It can also be used for finger strength exercises in daily life. Provides a complete strength training solution for fingers, hands, wrists and forearms. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.