3 octave shiftable keyboard with 9 scale changer folding type with coupler system. Made from well-seasoned teakwood. Fitted with 3 sets of premium reeds Bass-Middle & high frequency, for very fine and clear concert quality sound and tone. Fine crafted brass Chrome handmade fittings. Well air-fitted for long sustaining sound. Push button system to allow the instrument to collapse in a well-crafted box fitted with combination locks. Available with Gig bag.