This is a basic surpeti or shruti box with nice tone and sustain. It has 13 chromatic reeds going from C to an octave above, so you can get choose any note as a tonic and get its fourth or fifth. It measures 16 by 11 by 2 3/4 inches and weighs 8 pounds, similar to other standard shruti boxes. It has 13 chromatic reeds going from C to an octave above. And comes with a padded carry case. The wood grain can vary from instrument to instrument.