Drum Workshop Collector, Finish Ply Series, "Rock" Version, Finish: Ultra White Oyster (#113), covered Shells, Set Configuration containing 14"x10" Tom Tom, 16"x14" Floor Tom, 18"x16" Floor Tom, 22"x18" Bass Drum, 100% ALL-Maple Shell with reinforcement Hoops (reinforcing hoops have a shorter and faster sustain), Chrome Hardware, STM Suspension Tom Mount System for a vibrate free maximum resonance Tom Sound and securely holding, True Hoops, True-Pitch® Tuning Rods, all Shells Timbre Matched what means that every drum is ear-matched to belong together for life,