Drum Workshop Collector Shell Set 7pcs, Finish Ply Series, maple shells, Colour: Silver Abalone, Wrap Covered Shells, chrome shell hardware, STM Tom Mount System, all DW shells tuned by 'Timbre Matching'. Shell Set containing 22" x 18" Bass Drum, 8"x7", 10"x8", 12"x9" Tom Toms, 14"x12", 16"x14" X-Shell Floor Tom, 14"x6,5" Snare Drum, Hardware / Cymbals not included, True Hoops, True-Pitch® 50 Tuning Rods, all Shells Timbre Matched what means that every drum is ear-matched to belong together for life,