Evans E-Ring Standard Set
The E-ring is an easy-to-use external overtone control ring which "floats" on the surface of a drumhead. It rounds out and flattens the drumhead's sound and allows for easier tuning.
1x12"(width:1,5")
1x13"(width:1,5")
1x14"(width:1,5")
1x16"(width:2")
Ref. Euroguitar : 28531