Remo Powermax Ebony Crimplock Bass Drum Head 30 in.

The Powermax® Ebony® Bass drum heads feature optimum tone control, attack and projection with a reflective black finish. Constructed with a 1-ply 10-mil Ebony® film with an internal inlay ring, Powermax® Ebony® features a free-floating muffling ring with a Bottom Black Dot™ for maximum attack, tone control and durability. The high-tension Crimplock® hoop provides a wider tuning range and increased stability. Ideal for all Marching Bass drum applications. Available in sizes 14–32".