Zildjian's most popular brushes</br>Quieter traditional brush sound when pushed out</br>Retract for greater volume and articulation</br>Comfortable rubber handles</br>Diam: .550"?? Bristle spread: 6"/br></br>Product Description</br></br>Zildjian's most popular brush model.  Position the wires on Zildjian's retractable brushes all the way out for a quieter?? more traditional brush sound?? or pull them in incrementally for added volume and articulation.  These brushes also feature comfortable rubber handles.</br><br/>http://www.amazon.com/gp/product/B0002F5BZ22