Zildjian A20585 A Custom 19-inch Projection Crash Cymbal comes with firm top gives a bright and reliable sound for virtually any playing situation, the award-winning A Customs are an overwhelming choice. The A Custom cast cymbal is constructed from the Zildjian secret alloy, which is composed of 80% copper, 20% tin, and touches of silver. Evolved with the cooperation of drumming icon Vinnie Colaiuta, A Customs use advanced rotary hammering methods, thin to medium weights and a superb Brilliant finish for a crunchy, clear, sophisticated sound. Zildjian A20585 cymbals produce the proper sound, not too bright, not too deep that is just right for advanced music.