<p><span id="productDescription" class="cms-copy">The E-Ring is an easy-to use external overtone control ring which "floats" on the surface of a drum head. It removes overtones and flattens the drum head's sound and allows for easier tuning. </span><br /><span id="subBrandDescription" class="cms-copy sub-brand-description"><span class="screen-sm-hidden"><br /></span>For over 60 years, EVANS has been an innovator in drumhead manufacturing and design. As the creator of the first synthetic drumhead and other revolutionary products such as EMAD, Hydraulics, and the UV1 series, EVANS drumheads are designed with the intent of solving problems for drummers. Regarded for high quality and consistency all EVANS drumheads are made in the USA and feature Level 360 Technology.</span></p>