In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. The big brother of the hugely successful RockPro, ProX is made from select premium 8 ply, 7mm Birch-Basswood shells and is the intelligent first choice for professionals and students alike. Fusion sizes include a 22x16 bass drum, 14x11, 12x9 and 10x8.5 rack toms and a 14x5.5 snare drum. Also includes hardware pack (D). Cymbals sold separate.