Thomastik Spirocore for ViolinSpirocorestrings have a flexible multi-wire spiral rope core. They offer a longer period of musical vibration and significantly reduce inertia.Spirocorestrings are equally effective when playing arco or pizzicato. They are highly responsive and long lasting.Available Sizes | Gauges4/4 | mediumClickhere to download the Thomastik guide / glossary of termsViolin 4/4vibrating string length32.5cm | 12.8"MEDIUMNR.Core MaterialOuter MaterialTailpiece EndkglbPeg EndDTS8emiISpiral CoreChrome Wound7.516.5DTS9emiISpiral CoreAluminum Wound7.516.5DTS10alaIISpiral CoreChrome Wound6.013.2DTS11alaIISpiral CoreAluminum Wound6.013.2DTS12dreIIISpiral CoreChrome Wound5.011.0DTS12AdreIIISpiral CoreAluminum Wound5.011.0DTS13gsolIVSpiral CoreChrome Wound4.610.1DTS14gsolIVSpiral CoreSilver Wound4.610.1SET NR. DTS15SET NR. DTS15ADTS9; DTS10; DTS12; DTS13DTS8; DTS10; DTS12; DTS13MEDIUM23.1 kg | 50.8 lbMEDIUM23.1 kg | 50.8 lbClickhere to download the Thomastik guide / glossary of termsDownload thefull comprehensive Thomastik catalogue