Thomastik-Infeld Versum Cello Solo Strings Violin 4/4 How often should I use

How often should I use it

with fitted chinrest Bow Wood bow with ebony frog Case Lightweight case with backpack straps

Versum Solo

Not sure which PSR fits

Thomastik-Infeld Versum Cello Solo Strings Violin 4/4 How often should I useThomastik Infeld Versum Solo Single Cello String Versum Solo, brighter power, built for the soloist. Individual replacement strings from the Thomastik Infeld Versum Solo family. Carbon steel cores with multi alloy windings on the A and D, spiral rope cores with tungsten chrome on the G and C. Greater brilliance and projection than the standard Versum, with a warmly musical core. About Versum Solo Voiced for brilliance and projection without losing