D'Addario H310 violin set 4/4 Tin, carbon, plain steel E-1, medium tension

H310-44M H311-44M H312-44M H313-44M H314-44M D'Addario H310M 4/4 Bowed Helicore Violin Strings Helicore violin strings are crafted with a multi-stranded steel core, makingfor optimum playability and producing a clear, warm tone. The smaller stringdiameter provides quick bow response. Premium quality materials combine withskilled workmanship to craft strings with excellent pitch stability and longevity. Scaled to fit 4/4 size violin with a playing length of 13 inches (328mm), medium tension strings are optimized to the needs of a majority of players. The E string included with the H310 set is a plain steel E (tin-plated high-carbon steel) with no winding.