Improve your finger strength for playing string instruments with this adjustable tensioner finger exerciser from String House. Made of durable plastic and metal, this finger exerciser is designed for unisex adults who are into music and sports. The black and orange color combination of the item adds style to your fitness equipment. This 4-inch long and 2.5-inch high finger exerciser is perfect for fitness enthusiasts who want to tone their hand muscles. The finger exerciser has an adjustable tensioner feature, allowing you to customize your workout routine. Whether you're a professional musician or just starting out, this finger exerciser will help you maintain your finger strength for that perfect performance.