Drum Workshop Collector, Finish Ply Series, "Fusion" Version, Finish: Black Velvet, covered Shells, X-Shell VLT-Shell Combination, Set Configuration containing 10"x08" - 12"x09" Tom Tom (VLT-Shells), 14"x12" Floor Tom, 22"x18" Bass Drum (X-Shells), 14"x06" Snare Drum (VLT-Shell), 100% ALL-Maple with reinforcement Hoops (reinforcing hoops have a shorter and faster sustain), the Shells in VLT vertical grain places less tension on the shell, allowing it to vibrate more freely, resulting in the lowered fundamental pitch, X-Shells for big, full sounding drums with a huge fundamental, and all of the warmth, resonance and attack that Collector’s Series drums are known for, X Shells are crafted from hand-selected North American Hard Rock Maple in an 8-ply configuration with a 3-ply finger-jointed reinforcement hoop, Chrome Hardware, STM Suspension Tom Mount System for a vibrate free maximum resonance Tom Sound and securely holding, Standard Triple Flange Hoops, True-Pitch® Tuning Rods, all Shells Timbre Matched what means that every drum is ear-matched to belong together for life,