Cello strings are manufactured with the most stringent quality control, they are with high quality steel core, nickel chromium wound, with nickel-plated ball end, they are durable. They can produce a clear warm tone, it is a good choice for learner & player & performer of cello.<br> <b>Cello strings Specifications:</b><br> <b>A-1st </b> <br> Materials: steel core nickel chromium wound Diameter: 0.013inch (0.34mm) <br> <b>D-2nd </b> <br> Materials: steel core nickel chromium wound Diameter: 0.021inch (0.55mm) <br> <b>G-3rd </b> <br> Materials: steel core nickel chromium wound Diameter: 0.027inch (0.68mm) <br><b> C-4th </b> <br> Materials: steel core nickel chromium wound Diameter: 0.037inch (0.95mm) <br> <br><b>1 Package including: </b> 1set（ 4pcs cello strings）. <br> <b>Package size for 1 set: </b> 16.4cm x 15.1cm x 0.36cm