jysun cello strings 1 full set a-d-g-c steel core nickel chromium wound for size 3/4 & 4/4 irin 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