Check the listing for details. Duofen Viola Nylon Strings Set 15''-16.5'' Size - Medium Gauge - Free Shipping!!. Condition: New. Listed at 25.98 USD. DuoFen Nylon Viola Strings - Medium Duofen Nylon Viola Strings have a new Style of manufacturing. They produce an elaborate timbre that is rotund and clean.Perlon Core (E string is Metal) Medium gauge. What You Will Get1 set Duofen Viola strings (Available Sizes: 15'',15.5'', 16'' and 16.5'');Default size: 16.5 inch;If you want other sizes, please leave us a note when you purchase; Other Items You might like Master Pernambuco Wood Bow This line of Bows allows your playing reach the next level. Well balanced, light and wonderful response. $23.99 Dominant Violin Thomastik Strings Upgrade your purchase with "the Reference Standard" Dominant Strings. Soft and clear sound to your instrument. $42.99 Wooden Double Violin Case Premium High quality wooden double violin case. Four bow holders, enough space for all your violin accessories. $139.00 Pirastro Tonica Violin Strings Two best sellers in One set. Pirastro Tonica New Formula and Pirastro Gold string. $26.99 Adjustable Violin Shoulder Rest Comfortable firm frame with dense and soft padding will give you comfort and stability. $14.99 Violin Chin Rest Clamp Screw Replace your actual clamp screws or have some for any problem that could arise. Peace mind is the key. $18.99 Fine Tuners for Violin High quality Golden fine tuner. Easier to get the desired tune. $3.55 Other Accesories Lorem ipsum dolor sit amet, consectetur adipiscing elit. Aliquam vestibulum est quis felis vehicula ac posuere sem. $19.95 -->