The shell is a key factor in a drum s ability to rumble or resonate. Accordingly the Stage Custom employs 100% birch - a classic in the realm of high-class drum kits. Moreover with its six-ply structure the Stage Custom accurately conveys the vibrations produced at the impact surface achieving performance that overwhelms anything in its class. The SBF-1816 is an 18 x 16 birch floor tom with quality hardware available in a variety of finishes.