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 accept orders for an additional 250 yen per set. Please contact us before purchasing. They will be protected by being sandwiched in cardboard and shipped via anonymous delivery.