Evans (ER-Rock) E-Rings Set
E-RINGS PACKS
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.