Meinl Percussion Precision Cajon Brush with Straight Polymer Bristles-Made in USA-Equipped with Two Adjustable Control Rings, 2-Year Warranty (CB3) Designed to effortlessly play rolls, ghost notes, and intricate sticking's on a Cajon in low volume settings Two adjustable control rings on each brush allow you to dial-in your feel Safe to use on any Cajon, these brushes will bring your instrument to life without scratching or marking the playing surface Ideal for acoustic sets and studio sessions 13" long