< The design of the piano string winder makes string changes faster and easier than before. >< The piano string winder is made of High quality materials with high wear-resistant and excellent durability. >< It can be as a piano string, multifunctional piano repair tool. Simple disassembly, more convenient installation. >< You can send this practical and multifunctional string winder to your families and friends who play string instrument. >< Great for grand or upright pianos, which can solve various piano change string as well. >