Mapex, Drum Set, Armory Series, 5 pcs Hybrid, SHELL PACK -Ultra Marine AR529S The Armory Series is the latest realization of the Mapex hybrid shell concept. A fusion of birch and maple delivers the ultimate tonal expression, and the SONIClear™ bearing edge allows the drumhead to sit flat, bringing out the best response by optimizing the relationship between head and shell. FEATURES: The Birch/Maple/Birch 6Ply 7.2mm shell with the new SONIClear™ Bearing Edge allows for the direct transmission of sound, reduces unwanted frequencies and provides a strong fundamental pitch and an effortless tuning experience especially at lower tunings. This 5-Piece Shell pack includes 10" and 12" stand mounted rack toms, 16" floor tom, 14" snare drum and 22"x18" Kick drum The SONIClear™ tom suspension and floor tom feet increase overall resonance by preserving vibration in the shell and keeping stress away from the tension rods, helping the heads stay in tune.