Thomastik Spirocore for CelloFlexible multiwire spiral rope core. Less inertia, longer period of musical vibration. Equally effective when playing arco or pizzicato. Highly responsive, long lasting.Spirocorestrings, widely recognised as"the reference standard", are legendary for distinctive tone and playability.Available Sizes | Gauges4/4 | medium3/4 | medium1/2 | medium1/4 | mediumClickhere to download the Thomastik guide / glossary of termsCello 4/4vibrating string length70cm | 27.6"MEDIUMNR.Core MaterialOuter MaterialTailpiece EndkglbPeg EndDTS25alaISpiral CoreChrome Wound14.832.6DTS27dreIISpiral CoreChrome Wound14.331.5DTS27AdreIISpiral CoreAluminum Wound14.331.5DTS28GSolIIISpiral CoreChrome Wound14.030.9DTS28AGSolIIISpiral CoreSilver Wound14.030.9DTS32GSolIIISpiral CoreTungsten Wound14.030.9DTS29CDoIVSpiral CoreChrome Wound13.529.8DTS30CDoIVSpiral CoreSilver Wound13.529.8DTS33CDoIVSpiral CoreTungsten Wound13.529.8SET NR. DTS31TWIN SET NR. DTS32S33DTS25; DTS27; DTS28; DTS29DTS32; DTS33MEDIUM56.6 kg | 124.8 lbMEDIUM27.5 kg | 60.7 lbClickhere to download the Thomastik guide / glossary of termsDownload thefull comprehensive Thomastik catalogue