Due to long-term storage, I cannot confirm if the quality is maintained. I checked for rust on the strings visually, but found none. It has been 5 years since I purchased it. I would like to sell this to someone who understands the above. No returns accepted. PIRASTRO CHROMCOR Viola D2 string, made of chrome steel, provides high-quality sound. - Brand: PIRASTRO - Model: CHROMCOR Viola D2 - Material: Chromesteel on steel - Price: 7700 yen Thank you for viewing.