Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.When tuning, remember not to adjust too much at one time. Unlike other guitars, violins and other musical instruments, the lyre tuning extent cannot be too large..
eBay