Description Evans E-Ring Pack – ER-ROCK Rock Pack (10″, 12″, 16″) with a 14″ Snare E-Ring ER-ROCK The EVANS E-Ring Packs contains easy-to-use external overtone control rings that float on the surface of a drumhead to remove overtones and flattens the drumhead’s sound, allowing for easier tuning. IDEAL FOR: SOUND CONTROL
