7 ply 7.5mm shell; 22" x 16" bass drum (16 lugs); 16" x 16" floor tom (12 lugs); 13" x 11" and 12" x 10" power toms (12 lugs); 14" x 5" wood shell snare drum (12 lugs). Medium weight double braced hardware includes snare, hi-hat and cymbal stands; bass drum padal and heavy duty retractable bass drum spurs; heavy duty tom holders and mounts; memory locks.