Headjoint, body and footjoint made of the same 92.5% pure sterling silver as expensive professional models for a rich, warm tone with enhanced projection. * Key posts have been thickened and redesigned for improved durability and strength to maintain accurate rod alignment. * All key shapes and placement have been ergonomically designed for a comfortable, natural-feeling performance. The keys are hand-assembled and adjusted for perfect balance and ‘touch.’ * Yamaha’s unique screw resistance inserts allow smooth adjustments while preventing gradual loosening of the screws. For easier access, the screw positioning has been changed. * Footjoint alignment marks facilitate proper fitting by young players. Includes: case with cleaning rod.