Forenza Cello Strings are constructed from a steel core that is durable & not affected by changes in humidity & temperature. Perfect for student players, these strings are a great budget option for young Cello player. This set fits Full and 3/4 size Cellos. 1/2 size set also available. Perfect replacement or spare strings for any brand of student cello. Contains a complete string set ( 4 strings - c, g, d, a). Nickel silver wound steel core strings. Model fa15coa. Batteries (not included). Size H1.3, W10.3, D10.7cm. Maximum weight capacity 0.01kg. Manufacturers 2 year guarantee.