Gauge: E.010 A.020 D.027 G.035 Material: Al-Mg alloy wound This is a set of 1st to 4th strings for a Chinese-made violin. Suitable for 4/4 and 4/3 size violins. How about using them for practice? If you would like multiple sets, we will add 250 yen per set. Please contact us before purchasing. We will protect them by sandwiching them in cardboard and ship them via anonymous delivery.