Avarez brand AS-300 string set contains twelve loop end strings of at least 30 inches in length in six envelopes. Envelope 1 contains two steel strings with .010 inch gauge. Envelope 2 contains two steel strings with .012 inch gauge. Envelope 3 contains two silver wound steel strings with .018 inch gauge. Envelope 4 contains two silver wound steel strings with .024 inch gauge. Envelope 5 contains two silver wound steel strings with .030 inch gauge. Envelope 6 contains two silver wound steel strings with .035 inch gauge.