CONCEPT GETS A REFRESH PDP proudly brings you Concept Series Drums, a completely re-imagined line of boutique-inspired drums, designed for every drummer. Designed by Drum Workshop in California, Concept Series Drums have a fresh, new look, and a sound that has drummers talking. Concept Maple offers a myriad of today’s most popular configurations. Then, add toms or bass drums to build a custom kit to suit your musical style. Shell sizes: 18x22 with 10.5mm BDM, 7x8, 8x10, 9x12, 12x14F, 14x16F, 5.5x14 Hardware and cymbals each sold separately.