Thomastik-Infeld 147 Dominant Cello String Set - 4/4 Size BO524 which combines 95% grenadilla wood

which combines 95% grenadilla wood powder with 5% polycarbonate fiber and epoxy resin

Extra thick silver plating for added durability and longevity

fast glide for valves

and cork grease

odorless & petroleum free

Thomastik-Infeld 147 Dominant Cello String Set - 4/4 Size BO524 which combines 95% grenadilla woodExtra flexible, multi strand synthetic cores exhibit warm, gut like harmonic textures Delivers pitch stability regardless of humidity a must for all cellists Maintains a rich, clear, overtone laden tone over a long string life Widely recognized as the reference standard for cello strings 4 strings: A 142 (chrome wound, synthetic core); D 143 (chrome wound, synthetic core); G 144 (chrome wound, synthetic core); C 145 (chrome wound, synthetic core)