"DWSM115L 6.5in Black Foam Dual Head Beater Designed to work as a premium beater solution for cajons, the soft, lightweight Radius Beater features a durable foam striking surface that?s mounted to an extruded aluminum head offering a muted bass sound for multiple applications. Use it live or in the studio on ?open? bass drums to create enhanced low frequency textures. The Radius Beater also comes complete with an interchangeable flat head to offer even more sonic variations. Get the most from your cajon pedal or bass drum in minutes "