3 octave shiftable keyboard with 13 scale changer folding type with coupler system. Made from well-seasoned teakwood. Fitted with 4 sets of premium reeds- Bass, Middle, Middle & Treble, 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.