Scaled to fit 4/4 size violin with a playing length of 13 inches (328mm), these medium tension strings are optimized to the needs of a majority of players. The Helicore Octave Violin Set is designed to be played one octave below traditional violin tuning for a new world of tonal and stylistic possibilities. It utilizes the same core technologies as the original Helicore violin set. Helicore violin strings are crafted with a multi-stranded steel core, resulting in optimal playability while producing a clear, warm tone. The smaller string diameter provides quick bow response. Premium quality materials combined with skilled workmanship produces strings known for excellent pitch stability and longevity.