Features 12 ply toms (6mm), 15 ply bass drum (8mm). Liberty's own Vintage Bearing edge - OPEX (slight rounded outer with 45 degree inner) Split Ply Whiskey/ Birch with Box Inlay Die cast Liberty Beetle Lugs 2.3mm Triple flange hoops Description Product Description Inspired by the Avant-Garde Jazz era which began way back in the 1950s with Artists such as Miles Davis & John Coltrane. Such music inspired innovative improvisation, which Liberty Drums have put a taste of these styles into what we call the Avant Series. The Avant Series drums feature hand selected Finnish Birch wood shells combined with the latest Liberty Drums hardware components. *Featured Avant series kit: 2 TONE WHISKEY & NATURAL PLY WITH BOX INLAY. The AVANT is available in a 3 or 4-piece shell pack: 10 x 7" tom, 14 x 12" floor tom, 16 x 14" bass drum and an optional 14 x 5.5" snare drum. Shell construction - 12 ply toms (6mm), 15 ply bass drum (8mm) and 15ply snare drum.