The Symmetry Fiberskyn Conga drumhead is our most Versatile Conga drumhead in terms of fit. Fiberskyn provides a superb, authentic drum sound with maximum projection, lively overtones and the sound and feel the top percussionists prefer. Symmetry provides superior construction, low maintenance and features a Crimplock hoop increasing stability and tuning range. Symmetry drumheads fit more Conga drum models from the various manufacturers in the industry. Available in sizes: 9.75", 10.75", 11", 11.75", 12.50", 13".