Pearl's Superior Shell Technology (SST) on this Export 7" x 8" rack tom uses a combination of strategically arranged plies of poplar and Asian mahogany and proprietary construction techniques to offer you an incredibly durable shell that maximizes frequency response. The Export EXX's Opti-Loc mounting system keeps this tom wobble free and reinforces the resonance of the kit. The Opti-Loc mounting system keeps your toms right where you need them and sounding their best, whether you're practicing at home or recording drum tracks at a studio. All of this makes this Export EXX rack tom a high-quality addition for your Pearl Export kit.