Premium Harmonium Maker Professional Quality Harmonium A440 Pitch - Checked At Dispatch Set Of 2 Bina Special Reeds: 1 Male + 1 Base = Rich Sound, Organ Tuned Folding Box Type 3½ Octaves, Total 42 Keys Instant Response Keyboard - No Lag Time Multi-Fold Bellows For Easy Pumping & Consistent Sustain Air Leaks Are Checked For Longer Sustain Bright Nickeled Brass Knobs Glass/Jaali On Keys Made With Dried Indian Wood - Tun Wood Tested Before Shipping: Sound, Keys, Tuning, Sustain, Finish Etc.