The A Custom Rezo Hi-Hat Cymbals from Zildjian possess a redesigned bell that produces extra volume when needed. The medium top and medium-heavy bottom incorporate the innovative design techniques of Zildjian, by alternating bands of spiral and full lathing techniques while using both Traditional and brilliant finishes. Strategically placed cutouts on the outer edge of the bottom cymbal help to produce a warm but precise "chic" effect. These hi-hats still produce the warm blend of overtones that is expected from the acclaimed A Custom line of cymbals.Medium top and medium-heavy bottom Traditional and brilliant finishes Strategically placed cutouts on the outer edge of the bottom cymbal