Features:<br> Quality Material: The finger exerciser is made of quality ABS plastic material with fine machining, it is very sturdy and durable to use.<br> Convenient to Carry: With compact and light design, you can carry it in pocket, bag or instrument case .You can use the finger exerciser to practice without your instrument anywhere any timing.<br> Ergonomic Design: Unique ergonomic design and soft button, allowing you to exercise fingers, wrists and forearms while practicing the correct action for playing musical instruments practice.<br> Adjustable Tension: The tension of each finger is adjustable, you can choose relevant tension according to your different needs.<br> Widely Used: Suitable for the auxiliary exercise of instrument playing, physical exercise and , trigger ringer training, physical therapy and rock climbing. Great finger practicing tool for guitar and piano.<br> <br> Specifications:<br> Material: Plastic<br> Color: As The Picture Shows<br> Package Weight: approx.82g<br> Size: approx.88x21.5x67mm/3.46x0.84x2.63in<br> (More Size Detail, Please See Photo.)<br> <br> Note:<br> Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!<br> <br> Package includes:<br> 1Pc x Finger Strengthener