Ghaychak is an striking instrument.

The main parts are:

1.body made of walnut or mulberry wood
2.neck and headstock made of walnut or mulberry wood
3.finger board made of rosewood or ebony
4.bridge made of black poplar
5.nut made of ibex bone
6.tuning pegs made of walnutwood

Ghaychak has four strings and  three models:

1.soperano camparable to violin
2.alto comparable to viola
3.bass comparable to cello

On the picture below you can see the detailed differences:

Included:
hardcase