Has a crystal clear-bell like high-end and big open low-endLaboratory-proven to enhance harmonic content (up to 200% over other materials)Engineered for maximum vibration transferPermanent lubricationUsed by the world"s finest guitar manufacturersConsistent quality from piece to piece and within each pieceNo flat or dead spots that can be found in bone or ivoryEasy to work with can be filed and sanded; will not chip or flake