BD 18" x 14" (with Mount), SD 14" x 06", TT 12" x 08", FT 14" x 13", Maple, CTH 4000 AQ2 offers more value and more choices than any other instrument in its class. 100% Maple shells offer a mellow, warm and very balanced, full tone with low frequency punch and a balance of mids and highs. The Smart Mount suspension system maximizes the drums sustain. The cast lugs with TuneSafe and the high-quality shell hardware provide a professional feel. Four high-gloss lacqueres, one Delmar wrap-finish and an almost unlimited choice of sizes allow everyone to configure the drum set they are looking for. Technical specifications Shell Sizes BD 18" x 14" (with Mount), SD 14" x 06", TT 12" x 08", FT 14" x 13" Shell Material Maple Shell Canadian/Chinese Maple Wood Shells Shell Layup 7 plies, 5.8 mm Shell Thickness (BD,TT,FT,SD) Bearing Edges 45° Tom Suspension System Smart Mount Suspension System Hoops 1.6mm Steel Hoops on TT & FT, 2.3mm Power Hoops on SD, Matching Wood Hoops on BD Lugs SONOR AQ Single Lugs, Hole Spacing: 32mm Hardware-Finish Chrome Badges AQ2 Badge, 40x60mm Shell Manufacturing conventional Other Features TuneSafe System Snare Throw-Off Standard Throw-Off Included Accessories CTH 4000 Cymbal/Tom Holder