Thomastik Strings for Cello Versum Solo complete set 4/4, medium, VES400 .  Authorized dealer over 40 years USA. "Gary Ritter Strings Shop" - South Lyon, Mich.  Shipping outside lower 48 states USA and HI. - AK.  will be calculated. Complete set 4/4, medium A: steel wire core, special alloy D: special design made out of lightweight aluminium and plastic-coated wound copper G: tungsten/chrome wrapping on multi-alloy spiral core C: tungsten/chrome wrapping on multi-alloy spiral core