4-piece Recording Custom shell set: 20x16 bass drum plus RBP-4F3 tom pack (10x7.5 tom, 12x8 tom, 14x13 floor tom, TH-945B tom holder). Series features: 6-Ply 100% North American birch shell, 30° Bearing edges, Weighted one-piece, high-tension lugs, Lifted 20" bass drum, Y.E.S.S. mounting system.