Maple meets metal. All the sonic versatility of Maple and Aluminum in one breakthrough shell design. After two years of relentless development led by John Good, DW SonicPly combines aircraft-grade aluminum with an American Maple shell for enhanced attack and articulation, offering warm tonality and focused sustain. Hybrid Metal / Maple Shells 10" - 24" SonicPly drums feature a 9-Ply 333™ Maple shell with a 1/36" Aluminum sheet replacing the middle ply. SonicPly snare drums feature a 12-Ply Maple shell with two 1/36" Aluminum Sheets sandwiching the middle plies. Bearing Edge These Collector’s Series shells are precision-cut with 45-degree (toms) and 60-degree (bass and snare) bearing edges. These edges provide tonality and sustain from your toms, and depth and punch from your bass and snare. • 18x22 kick drum • 14x16 tom • 9x12 tom • 8x10 tom • 6.5x14 snare