Zildjian ZBT 4 ROCK  Bonus Box Set Pre-matched ZBT Rock box set includes pair of 14-inch Hi-Hats, 16-inch Crash, 20-inch Ride Bonus 18-inch crash included in this special edition Quickly outfit your setup than with a hand-picked set of ZBT cymbals Enhanced Zildjian sheet bronze alloy for a bright and high-volume response Top groove lathing and small round hammer strikes for texture and character