Zildjian Planet Z Hi-hat Cymbal feature renowned Zildjian quality at entry-level prices. Forged from a durable copper and zinc alloy. Planet Z cymbals are shaped and lathed into bright, superior-sounding cymbals. Perfect for advancing drummers. Planet Z is Zildjian’s introductory line into their huge array of cymbals. Designed to meet the needs and budgets of developing drummers, they’re forged from a durable copper and zinc-based alloy. They’re shaped and lathed into bright, exciting-sounding instruments.