Made of black ebony, this chinrest fits 3/4 and 4/4 sized violins and is one of our most popular models for serious players. 4.25 inches wide and 2.2 inches deep. Barrel length is 27 mm. As used by Susan Waterbury. • Material - Ebony • Model - Berber • Instrument - Violin 4/4 - 3/4 • Barrel length - 27 mm