Key :Bb Pitch :440/442 Hz Body:Dalbergia Melanoxylon, Natural African blackwood Neck: Two-pieces adjustable Bell:Silver plated Copper Bell Tenons:Metal-capped Features: Bell section resonance vent, Eb/Ab lever, range down to C, the low D keys, double register mechanism Thumb rest :Adjustable Keywork finish :Silver plated Springs :Blue steel springs for ease and accuracy of key movement Pads :Leather and cork