PAIR of black fiber concert castanets SIZE 4. Size 4: Between 7 cm and 9 cm (Medium) The hand must be measured from point A to point B, see drawing. Handcrafted with top quality materials. Material built to a high resistance treatment. It differs by its nuanced sound, and by its light and smooth wheelbarrow. IDEAL for a beginner. - Handmade - SEMI Professional or academic use. - Includes cover for added protection. Depending on availability, the colors of the cover may be different from the one in the photo. Castañuelas del Sur, Hernández Brothers, leader in the national and international market as artisan makers of castanets for flamenco, maintains its constant interest in meeting the needs of teachers and dance professionals in general, using top quality materials for this. We ship by certified mail to the whole world.