Tamburo's 4GIG four-piece kit, designed and tested in Italy. Hybrid wood shells of birch, poplar and mahogany combine lightness, rigidity and high sound quality. 1.4 mm triple-flanged hoops on the tom and floor tom, 2.2 mm on the snare and 9 mm full maple wooden hoops on the bass drum, with Tamburo's lighter T-Lug tension blocks for smooth, stable tuning. Includes a 20" x 8" bass drum, 10" x 5.5" tom, 16" x 8.5" floor tom and 13" x 5.5" snare.